import java.util.*;
import java.util.zip.*;
import java.util.List;
import java.util.regex.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.locks.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.table.*;
import java.io.*;
import java.net.*;
import java.lang.reflect.*;
import java.lang.ref.*;
import java.lang.management.*;
import java.security.*;
import java.security.spec.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.imageio.*;
import java.math.*;
import static iiPkg.ii.IntegralImage;
import x30_pkg.x30_util;
import static x30_pkg.x30_util.VF1;
import static x30_pkg.x30_util.l;
import static x30_pkg.x30_util.fail;
import static x30_pkg.x30_util.indexOf;
import static x30_pkg.x30_util.getOpt;
import static x30_pkg.x30_util.setOpt;
import static x30_pkg.x30_util.callOpt;
import static x30_pkg.x30_util.newWeakHashMap;
import static x30_pkg.x30_util.newDangerousWeakHashMap;
import static x30_pkg.x30_util.get;
import static x30_pkg.x30_util.get_raw;
import static x30_pkg.x30_util.assertTrue;
import static x30_pkg.x30_util.isHeadless;
import static x30_pkg.x30_util.isAndroid;
import static x30_pkg.x30_util.isTrue;
import static x30_pkg.x30_util.asList;
import x30_pkg.x30_util.DynamicObject;
import loadableUtils.utils;
import static loadableUtils.utils._threadInfo;
import static loadableUtils.utils._threadInheritInfo;
import static loadableUtils.utils._threadInfo_addMakerAndRetriever;
import static loadableUtils.utils.dm_currentModule;
import static loadableUtils.utils.dm_current_mandatory;
import static loadableUtils.utils.match;
import static loadableUtils.utils.getOpt_raw;
import static loadableUtils.utils.setOpt_raw;
import static loadableUtils.utils.getField;
import static loadableUtils.utils.fieldType;
import static loadableUtils.utils.format3;
import static loadableUtils.utils.vm_generalIdentityHashSet;
import static loadableUtils.utils.vm_generalHashMap;
import static loadableUtils.utils.vm_generalWeakSubMap;
import static loadableUtils.utils.bindToComponent;
import static loadableUtils.utils.struct;
import static loadableUtils.utils.structure;
import static loadableUtils.utils.loadPage;
import static loadableUtils.utils.loadPage_utf8;
import static loadableUtils.utils.loadPageSilentlyWithTimeout;
import static loadableUtils.utils.loadPageSilently;
import static loadableUtils.utils.loadSnippet;
import static loadableUtils.utils.loadSnippetQuietly;
import static loadableUtils.utils.sendToLocalBot;
import static loadableUtils.utils.componentPopupMenu;
import static loadableUtils.utils.componentPopupMenu_top;
import static loadableUtils.utils.componentPopupMenu_initForComponent;
import static loadableUtils.utils.componentPopupMenu_getEvent;
import static loadableUtils.utils.listPopupMenu;
import static loadableUtils.utils.tablePopupMenu;
import static loadableUtils.utils.rowSorter_setComparators;
import static loadableUtils.utils.sexyTableWithoutDrag;
import static loadableUtils.utils.dm_current_generic;
import static loadableUtils.utils.dm_current_mandatory_generic;
import static loadableUtils.utils.cset;
import static loadableUtils.utils.DynamicObject_loading;
import static loadableUtils.utils.concepts_unlisted;
import static loadableUtils.utils.makePopupMenuConditional;
import static loadableUtils.utils.makeConceptsTable_idWidth;
import static loadableUtils.utils.showConceptsTable_afterUpdate;
import static loadableUtils.utils.dynamicObjectIsLoading;
import loadableUtils.utils.F0;
import loadableUtils.utils.F1;
import loadableUtils.utils.IF1;
import loadableUtils.utils.Matches;
import loadableUtils.utils.BetterLabel;
import loadableUtils.utils.SingleComponentPanel;
import loadableUtils.utils.Snippet;
import loadableUtils.utils.Q;
import loadableUtils.utils.ImageSurface;
import loadableUtils.utils.structure_Data;
import loadableUtils.utils.RGBImage;
import loadableUtils.utils.RGB;
import loadableUtils.utils.BWImage;
import loadableUtils.utils.MakesBufferedImage;
import loadableUtils.utils.MultiSet;
import loadableUtils.utils.Concept;
import loadableUtils.utils.Concepts;
import loadableUtils.utils.IConceptIndex;
import loadableUtils.utils.IFieldIndex;
import loadableUtils.utils.Derefable;
import loadableUtils.utils.ImageSurfaceSelector;
import loadableUtils.utils.SimpleCRUD;
import loadableUtils.utils.PersistableThrowable;
import loadableUtils.utils.DynModule;
import loadableUtils.utils.DynPrintLog;
import loadableUtils.utils.DynObjectTable;
import loadableUtils.utils.DynImageSurface;
import loadableUtils.utils.DynCalculatedList;
import loadableUtils.utils.Rect;
import loadableUtils.utils.Pt;
import javax.swing.undo.UndoManager;
import java.text.NumberFormat;
import java.awt.datatransfer.StringSelection;
import java.awt.geom.*;
import org.jnativehook.GlobalScreen;
import org.jnativehook.keyboard.NativeKeyEvent;
import org.jnativehook.keyboard.NativeKeyAdapter;

class main {

  public static class SegmentScreenshotStream extends DynPrintLogAndEnabled {

    public IF1<BufferedImage, List<Rect>> segMainVideo, segThumbnails, segSearchBar, segVideoControls;

    public Rect mainVideo, searchBar;

    public List<Rect> thumbnails, videoControls;

    public String searchQuery;

    public transient BufferedImage screenshot;

    public transient ReliableSingleThread rstAnalyzeScreen = dm_rst(this, new Runnable() {

      public void run() {
        try {
          analyzeScreen();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "analyzeScreen();";
      }
    });

    public JComponent visualize() {
      return centerAndSouthWithMargin(withCenteredButtons(super.visualize(), "Play/Pause", runnableThread(new Runnable() {

        public void run() {
          try {
            playOrPause();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "playOrPause();";
        }
      }), jPopDownButton_noText("Move mouse to main video", runnableThread(new Runnable() {

        public void run() {
          try {
            moveMouseToMainVideo();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "moveMouseToMainVideo();";
        }
      }), "Click on a thumbnail", runnableThread(new Runnable() {

        public void run() {
          try {
            clickOnRandomThumbnail();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "clickOnRandomThumbnail();";
        }
      }), "Click in search bar", runnableThread(new Runnable() {

        public void run() {
          try {
            clickInSearchBar();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "clickInSearchBar();";
        }
      }))), withMargin(dm_textFieldAndButton("searchQuery", "youTubeSearch", "Search")));
    }

    public void start() {
      super.start();
      startThread("Start", new Runnable() {

        public void run() {
          try {
            AutoCloseable __8 = enter();
            try {
              dm_watchField("enabled", new Runnable() {

                public void run() {
                  try {
                    if (enabled)
                      dm_enableStreamOfScreenshots();
                  } catch (Exception __e) {
                    throw rethrow(__e);
                  }
                }

                public String toString() {
                  return "if (enabled) dm_enableStreamOfScreenshots()";
                }
              });
              if (segMainVideo == null)
                segMainVideo = mandatorySegmenterFromAGIBlue("Find main YT video #1");
              if (segThumbnails == null)
                segThumbnails = mandatorySegmenterFromAGIBlue("Find YT thumbnails #1");
              if (segSearchBar == null)
                segSearchBar = mandatorySegmenterFromAGIBlue("Find YT search bar #1");
              if (segVideoControls == null)
                segVideoControls = mandatorySegmenterFromAGIBlue("YT video controls #1");
              dm_onScreenshot_q(ss -> {
                if (!enabled)
                  return;
                screenshot = (BufferedImage) get("image", ss);
                rstAnalyzeScreen.trigger();
              });
            } finally {
              _close(__8);
            }
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "AutoCloseable __8 = enter(); try { \r\n    dm_watchField enabled(new Runnable()...";
        }
      });
    }

    public void analyzeScreen() {
      BufferedImage img = screenshot;
      if (img == null)
        return;
      dm_setFieldAndPrintIfChanged("mainVideo", first_warnIfMultiple(segMainVideo.get(img)));
      if (mainVideo == null) {
        print("No main video found");
        return;
      }
      dm_setFieldAndPrintIfChanged("thumbnails", segThumbnails.get(img));
      dm_setFieldAndPrintIfChanged("searchBar", first_warnIfMultiple(segSearchBar.get(img)));
      dm_setFieldAndPrintIfChanged("videoControls", sortRectsByMiddleX(segVideoControls.get(img)));
    }

    public void moveMouseToMainVideo() {
      AutoCloseable __9 = enter();
      try {
        if (mainVideo == null) {
          infoBox("No main video found");
          return;
        }
        dm_unblockAutomation();
        dm_moveMouse("mainVideo", mainVideo);
      } finally {
        _close(__9);
      }
    }

    public void clickOnRandomThumbnail() {
      AutoCloseable __10 = enter();
      try {
        Rect thumbnail = random(thumbnails);
        if (thumbnail == null) {
          infoBox("No thumbnails found");
          return;
        }
        dm_unblockAutomation();
        dm_moveMouseAndClick("thumbnail", thumbnail);
      } finally {
        _close(__10);
      }
    }

    public void clickInSearchBar() {
      AutoCloseable __11 = enter();
      try {
        dm_unblockAutomation();
        dm_moveMouseAndClick("searchBar", searchBar);
      } finally {
        _close(__11);
      }
    }

    public void youTubeSearch(String query) {
      AutoCloseable __12 = enter();
      try {
        clickInSearchBar();
        if (dm_hasAutomationInterference()) {
          print("interference");
          return;
        }
        automate_ctrlA();
        automate_typeString(query);
        automate_enter();
      } finally {
        _close(__12);
      }
    }

    public void youTubeSearch() {
      AutoCloseable __13 = enter();
      try {
        youTubeSearch(searchQuery);
      } finally {
        _close(__13);
      }
    }

    public void playOrPause() {
      AutoCloseable __14 = enter();
      try {
        dm_unblockAutomation();
        int safety = 0;
        while (l(videoControls) < 5 && safety++ < 5) {
          moveMouseToMainVideo();
          sleepSeconds(1);
        }
        dm_moveMouseAndClick("Play/pause button", first(videoControls));
      } finally {
        _close(__14);
      }
    }
  }

  public static boolean _moduleClass_SegmentScreenshotStream = false;

  public static Object callF(Object f, Object... args) {
    try {
      if (f instanceof String)
        return callMC((String) f, args);
      return x30_util.callF(f, args);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> A callF(F0<A> f) {
    return f == null ? null : f.get();
  }

  public static <A> A callF(IF0<A> f) {
    return f == null ? null : f.get();
  }

  public static <A, B> B callF(F1<A, B> f, A a) {
    return f == null ? null : f.get(a);
  }

  public static <A, B> B callF(IF1<A, B> f, A a) {
    return f == null ? null : f.get(a);
  }

  public static <A> void callF(VF1<A> f, A a) {
    if (f != null)
      f.get(a);
  }

  public static Object callMC(String method, Object... args) {
    return call(mc(), method, args);
  }

  public static Object call(Object o) {
    return callF(o);
  }

  public static Object call(Object o, String method, Object... args) {
    return call_withVarargs(o, method, args);
  }

  public static void _onLoad_initUtils() {
    utils.__javax = javax();
  }

  public static void _onLoad_defaultClassFinder() {
    setDefaultClassFinder(new F1<String, Class>() {

      public Class get(String name) {
        try {
          Class c = findClass_fullName(name);
          if (c != null)
            return c;
          if (startsWith(name, "main$"))
            return loadableUtils.utils.findClass_fullName("loadableUtils.utils" + substring(name, 4));
          return null;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Class c = findClass_fullName(name);\r\n    if (c != null) ret c;\r\n    if (start...";
      }
    });
  }

  public static String programID() {
    return getProgramID();
  }

  public static String programID(Object o) {
    return getProgramID(o);
  }

  public static volatile StringBuffer local_log = new StringBuffer();

  public static volatile Appendable print_log = local_log;

  public static volatile int print_log_max = 1024 * 1024;

  public static volatile int local_log_max = 100 * 1024;

  public static boolean print_silent = false;

  public static Object print_byThread_lock = new Object();

  public static volatile ThreadLocal<Object> print_byThread;

  public static volatile Object print_allThreads;

  public static volatile Object print_preprocess;

  public static void print() {
    print("");
  }

  public static <A> A print(String s, A o) {
    print((endsWithLetterOrDigit(s) ? s + ": " : s) + o);
    return o;
  }

  public static <A> A print(A o) {
    ping_okInCleanUp();
    if (print_silent)
      return o;
    String s = String.valueOf(o) + "\n";
    print_noNewLine(s);
    return o;
  }

  public static void print_noNewLine(String s) {
    Object f = getThreadLocal(print_byThread_dontCreate());
    if (f == null)
      f = print_allThreads;
    if (f != null)
      if (isFalse(f instanceof F1 ? ((F1) f).get(s) : callF(f, s)))
        return;
    print_raw(s);
  }

  public static void print_raw(String s) {
    if (print_preprocess != null)
      s = (String) callF(print_preprocess, s);
    s = fixNewLines(s);
    Appendable loc = local_log;
    Appendable buf = print_log;
    int loc_max = print_log_max;
    if (buf != loc && buf != null) {
      print_append(buf, s, print_log_max);
      loc_max = local_log_max;
    }
    if (loc != null)
      print_append(loc, s, loc_max);
    System.out.print(s);
  }

  public static void print_autoRotate() {
  }

  public static AutoCloseable tempInterceptPrintIfNotIntercepted(F1<String, Boolean> f) {
    return print_byThread().get() == null ? tempInterceptPrint(f) : null;
  }

  public static ReliableSingleThread dm_rst(Runnable r) {
    return dm_rst(dm_current_mandatory(), r);
  }

  public static ReliableSingleThread dm_rst(DynModule mod, Runnable r) {
    return dm_rst(mod, new ReliableSingleThread(r));
  }

  public static ReliableSingleThread dm_rst(DynModule mod, ReliableSingleThread rst) {
    rst.enter = dm_rEnter(mod);
    return rst;
  }

  public static RuntimeException rethrow(Throwable t) {
    if (t instanceof Error)
      _handleError((Error) t);
    throw t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
  }

  public static RuntimeException rethrow(String msg, Throwable t) {
    throw new RuntimeException(msg, t);
  }

  public static JPanel centerAndSouthWithMargin(Component c, Component s) {
    return centerAndSouth(c, withTopMargin(s));
  }

  public static JPanel withCenteredButtons(JComponent center, Object... params) {
    return centerAndSouth(center, withMargin(jcenteredbuttons(params)));
  }

  public static Runnable runnableThread(final Runnable r) {
    return new Runnable() {

      public void run() {
        try {
          startThread(r);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "startThread(r)";
      }
    };
  }

  public static JButton jPopDownButton_noText(final Object... menuParams) {
    return toolTip("Additional commands", jPopDownButton("", menuParams));
  }

  public static int withMargin_defaultWidth = 6;

  public static JPanel withMargin(Component c) {
    return withMargin(withMargin_defaultWidth, c);
  }

  public static JPanel withMargin(int w, Component c) {
    return withMargin(w, w, c);
  }

  public static JPanel withMargin(int w, int h, Component c) {
    return withMargin(w, h, w, h, c);
  }

  public static JPanel withMargin(final int top, final int left, final int bottom, final int right, final Component c) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel p = new JPanel(new BorderLayout());
          p.setBorder(BorderFactory.createEmptyBorder(top, left, bottom, right));
          p.add(c);
          return p;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel p = new JPanel(new BorderLayout);\r\n    p.setBorder(BorderFactory.creat...";
      }
    });
  }

  public static JComponent dm_textFieldAndButton(String field, String method, String buttonText) {
    return centerAndEastWithMargin(dm_textField(field), dm_button(method, buttonText));
  }

  public static Thread startThread(Object runnable) {
    return startThread(defaultThreadName(), runnable);
  }

  public static Thread startThread(String name, Object runnable) {
    runnable = wrapAsActivity(runnable);
    return startThread(newThread(toRunnable(runnable), name));
  }

  public static Thread startThread(Thread t) {
    _registerThread(t);
    t.start();
    return t;
  }

  public static void dm_watchField(String field, Runnable onChange) {
    new Dyn_FieldWatcher(dm_current_mandatory(), field, onChange);
  }

  public static void dm_enableStreamOfScreenshots() {
    dm_set(dm_requireStreamOfScreenshots(), "enabled", true);
  }

  public static IF1<BufferedImage, List<Rect>> mandatorySegmenterFromAGIBlue(String name) {
    return assertNotNull(name, segmenterFromAGIBlue(name));
  }

  public static AutoCloseable dm_onScreenshot_q(IVF1<Object> f) {
    return dm_vmBus_onMessage_q("newScreenshotInStream", new VF2<Object, Object>() {

      public void get(Object mod, Object ss) {
        try {
          callF(f, ss);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "callF(f, ss);";
      }
    });
  }

  public static void _close(AutoCloseable c) {
    if (c != null)
      try {
        c.close();
      } catch (Throwable e) {
        if (c instanceof javax.imageio.stream.ImageOutputStream)
          return;
        else
          throw rethrow(e);
      }
  }

  public static void dm_setFieldAndPrintIfChanged(String field, Object value) {
    if (dm_current_mandatory().setField(field, value))
      print(field + " = " + value);
  }

  public static <A> A first_warnIfMultiple(Collection<A> l) {
    if (l(l) > 1)
      warn("Unexpected multitude: " + l);
    return first(l);
  }

  public static List<Rect> sortRectsByMiddleX(Collection<Rect> l) {
    return sortByCalculatedField(l, "rectMiddleX");
  }

  public static JWindow infoBox(String text) {
    return infoMessage(text);
  }

  public static JWindow infoBox(String text, double seconds) {
    return infoMessage(text, seconds);
  }

  public static JWindow infoBox(Throwable e) {
    return infoMessage(e);
  }

  public static void dm_unblockAutomation() {
    print("Unblocking automation.");
    Object mover = vmBus_query("mouseMover");
    if (mover == null) {
      print("No mover");
      return;
    }
    callWithImportExport(mover, "unblock");
  }

  public static void dm_moveMouse(Rect r, String targetName) {
    if (r == null)
      return;
    print("Moving mouse to " + humanizeFormLabel(targetName));
    Object mover = vmBus_query("mouseMover");
    if (mover == null) {
      print("No mover");
      return;
    }
    callWithImportExport(mover, "moveMouse", centerOfRect(r));
    print("MOVED");
  }

  public static void dm_moveMouse(String targetName, Rect r) {
    dm_moveMouse(r, targetName);
  }

  public static Random random_random = new Random();

  public static int random(int n) {
    return random(random_random, n);
  }

  public static int random(Random r, int n) {
    return n <= 0 ? 0 : r.nextInt(n);
  }

  public static double random(double max) {
    return random() * max;
  }

  public static double random() {
    return random_random.nextInt(100001) / 100000.0;
  }

  public static double random(double min, double max) {
    return min + random() * (max - min);
  }

  public static int random(int min, int max) {
    return min + random(max - min);
  }

  public static int random(Random r, int min, int max) {
    return min + random(r, max - min);
  }

  public static <A> A random(List<A> l) {
    return oneOf(l);
  }

  public static <A> A random(Collection<A> c) {
    if (c instanceof List)
      return random((List<A>) c);
    int i = random(l(c));
    return collectionGet(c, i);
  }

  public static boolean dm_moveMouseAndClick(Rect r, String targetName, Object... __) {
    if (r == null)
      return false;
    Object enabled = (Object) (optPar("enabled", __));
    double waitBeforeClick = doublePar("waitBeforeClick", __, 1.0);
    print("Moving mouse to " + targetName + "!!!!");
    Object mover = vmBus_query("mouseMover");
    if (mover == null) {
      print("No mover");
      return false;
    }
    callWithImportExport(mover, "moveMouse", centerOfRect(r));
    print("MOVED");
    long startTime = sysNow();
    while (licensed() && sysNow() < startTime + toMS(waitBeforeClick)) {
      if (isFalse_callF(enabled))
        return false;
      if (isTrue_rcall("blocked", mover)) {
        print("INTERFERENCE, EXITING");
        return false;
      }
      sleepSeconds(0.05);
    }
    if (!r.contains(mouseLocationPt())) {
      print("Mouse outside of target area, exiting");
      return false;
    }
    print("CLICKING!");
    rcall("click", mover);
    print("CLICKED!");
    return true;
  }

  public static boolean dm_moveMouseAndClick(String targetName, Rect r, Object... __) {
    return dm_moveMouseAndClick(r, targetName, __);
  }

  public static boolean dm_hasAutomationInterference() {
    Object mover = vmBus_query("mouseMover");
    if (mover == null) {
      print("No mover");
      return false;
    }
    return isTrue(call(mover, "blocked"));
  }

  public static void automate_ctrlA() {
    automate_ctrlX('a');
  }

  public static void automate_typeString(String s) {
    for (char c : characters(s)) automate_typeChar(c);
  }

  public static void automate_enter() {
    automate_type(KeyEvent.VK_ENTER);
  }

  public static void sleepSeconds(double s) {
    if (s > 0)
      sleep(round(s * 1000));
  }

  public static Object first(Object list) {
    return first((Iterable) list);
  }

  public static <A> A first(List<A> list) {
    return empty(list) ? null : list.get(0);
  }

  public static <A> A first(A[] bla) {
    return bla == null || bla.length == 0 ? null : bla[0];
  }

  public static <A> A first(Iterator<A> i) {
    return i == null || !i.hasNext() ? null : i.next();
  }

  public static <A> A first(Iterable<A> i) {
    if (i == null)
      return null;
    Iterator<A> it = i.iterator();
    return it.hasNext() ? it.next() : null;
  }

  public static Character first(String s) {
    return empty(s) ? null : s.charAt(0);
  }

  public static <A, B> A first(Pair<A, B> p) {
    return p == null ? null : p.a;
  }

  public static Class mc() {
    return main.class;
  }

  public static Object call_withVarargs(Object o, String method, Object... args) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class) {
        Class c = (Class) o;
        _MethodCache cache = callOpt_getCache(c);
        Method me = cache.findStaticMethod(method, args);
        if (me != null)
          return invokeMethod(me, null, args);
        List<Method> methods = cache.cache.get(method);
        if (methods != null)
          methodSearch: for (Method m : methods) {
            {
              if (!(m.isVarArgs()))
                continue;
            }
            {
              if (!(isStaticMethod(m)))
                continue;
            }
            Object[] newArgs = massageArgsForVarArgsCall(m, args);
            if (newArgs != null)
              return invokeMethod(m, null, newArgs);
          }
        throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found");
      } else {
        Class c = o.getClass();
        _MethodCache cache = callOpt_getCache(c);
        Method me = cache.findMethod(method, args);
        if (me != null)
          return invokeMethod(me, o, args);
        List<Method> methods = cache.cache.get(method);
        if (methods != null)
          methodSearch: for (Method m : methods) {
            {
              if (!(m.isVarArgs()))
                continue;
            }
            Object[] newArgs = massageArgsForVarArgsCall(m, args);
            if (newArgs != null)
              return invokeMethod(m, o, newArgs);
          }
        throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found in " + c);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Class javax() {
    return getJavaX();
  }

  public static void setDefaultClassFinder(Object cf) {
    _defaultClassFinder_value = cf;
  }

  public static HashMap<String, Class> findClass_fullName_cache = new HashMap();

  public static Class findClass_fullName(String name) {
    synchronized (findClass_fullName_cache) {
      if (findClass_fullName_cache.containsKey(name))
        return findClass_fullName_cache.get(name);
      Class c;
      try {
        c = Class.forName(name);
      } catch (ClassNotFoundException e) {
        c = null;
      }
      findClass_fullName_cache.put(name, c);
      return c;
    }
  }

  public static boolean startsWith(String a, String b) {
    return a != null && a.startsWith(b);
  }

  public static boolean startsWith(String a, char c) {
    return nemptyString(a) && a.charAt(0) == c;
  }

  public static boolean startsWith(String a, String b, Matches m) {
    if (!startsWith(a, b))
      return false;
    m.m = new String[] { substring(a, strL(b)) };
    return true;
  }

  public static boolean startsWith(List a, List b) {
    if (a == null || listL(b) > listL(a))
      return false;
    for (int i = 0; i < listL(b); i++) if (neq(a.get(i), b.get(i)))
      return false;
    return true;
  }

  public static String substring(String s, int x) {
    return substring(s, x, strL(s));
  }

  public static String substring(String s, int x, int y) {
    if (s == null)
      return null;
    if (x < 0)
      x = 0;
    if (x >= s.length())
      return "";
    if (y < x)
      y = x;
    if (y > s.length())
      y = s.length();
    return s.substring(x, y);
  }

  public static String substring(String s, IntRange r) {
    return r == null ? null : substring(s, r.start, r.end);
  }

  public static int rectMiddleX(Rect r) {
    return r == null ? 0 : r.x + r.w / 2;
  }

  public static Object _defaultClassFinder_value = defaultDefaultClassFinder();

  public static Object _defaultClassFinder() {
    return _defaultClassFinder_value;
  }

  public static String programID;

  public static String getProgramID() {
    return nempty(programID) ? formatSnippetIDOpt(programID) : "?";
  }

  public static String getProgramID(Class c) {
    String id = (String) getOpt(c, "programID");
    if (nempty(id))
      return formatSnippetID(id);
    return "?";
  }

  public static String getProgramID(Object o) {
    return getProgramID(getMainClass(o));
  }

  public static boolean endsWithLetterOrDigit(String s) {
    return s != null && s.length() > 0 && Character.isLetterOrDigit(s.charAt(s.length() - 1));
  }

  public static void ping_okInCleanUp() {
    if (ping_pauseAll || ping_anyActions)
      ping_impl(true);
  }

  public static Object getThreadLocal(Object o, String name) {
    ThreadLocal t = (ThreadLocal) (getOpt(o, name));
    return t != null ? t.get() : null;
  }

  public static <A> A getThreadLocal(ThreadLocal<A> tl) {
    return tl == null ? null : tl.get();
  }

  public static <A> A getThreadLocal(ThreadLocal<A> tl, A defaultValue) {
    return or(getThreadLocal(tl), defaultValue);
  }

  public static ThreadLocal<Object> print_byThread_dontCreate() {
    return print_byThread;
  }

  public static boolean isFalse(Object o) {
    return eq(false, o);
  }

  public static String fixNewLines(String s) {
    int i = indexOf(s, '\r');
    if (i < 0)
      return s;
    int l = s.length();
    StringBuilder out = new StringBuilder(l);
    out.append(s, 0, i);
    for (; i < l; i++) {
      char c = s.charAt(i);
      if (c != '\r')
        out.append(c);
      else {
        out.append('\n');
        if (i + 1 < l && s.charAt(i + 1) == '\n')
          ++i;
      }
    }
    return out.toString();
  }

  public static void print_append(Appendable buf, String s, int max) {
    try {
      synchronized (buf) {
        buf.append(s);
        if (buf instanceof StringBuffer)
          rotateStringBuffer(((StringBuffer) buf), max);
        else if (buf instanceof StringBuilder)
          rotateStringBuilder(((StringBuilder) buf), max);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static ThreadLocal<Object> print_byThread() {
    synchronized (print_byThread_lock) {
      if (print_byThread == null)
        print_byThread = new ThreadLocal();
    }
    return print_byThread;
  }

  public static AutoCloseable tempInterceptPrint(F1<String, Boolean> f) {
    return tempSetThreadLocal(print_byThread(), f);
  }

  public static F0<AutoCloseable> dm_rEnter(final DynModule mod) {
    return mod == null ? null : new F0<AutoCloseable>() {

      public AutoCloseable get() {
        try {
          return mod.enter();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret mod.enter();";
      }
    };
  }

  public static void _handleError(Error e) {
    call(javax(), "_handleError", e);
  }

  public static JPanel centerAndSouth(final Component c, final Component s) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel panel = new JPanel(new BorderLayout());
          panel.add(BorderLayout.CENTER, wrap(c));
          if (s != null)
            panel.add(BorderLayout.SOUTH, wrap(s));
          return panel;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel panel = new JPanel(new BorderLayout);\r\n    panel.add(BorderLayout.CENT...";
      }
    });
  }

  public static int withTopMargin_defaultWidth = 6;

  public static JPanel withTopMargin(Component c) {
    return withTopMargin(withTopMargin_defaultWidth, c);
  }

  public static JPanel withTopMargin(final int w, final Component c) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel p = new JPanel(new BorderLayout());
          p.setBorder(BorderFactory.createEmptyBorder(w, 0, 0, 0));
          p.add(c);
          return p;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel p = new JPanel(new BorderLayout);\r\n    p.setBorder(BorderFactory.creat...";
      }
    });
  }

  public static JPanel jcenteredbuttons(Object... params) {
    List<JComponent> l = new ArrayList();
    for (int i = 0; i < l(params); i += 2) if (params[i] != null)
      if (params[i] instanceof JComponent)
        l.add((JComponent) params[i--]);
      else
        l.add(jbutton((String) params[i], params[i + 1]));
    return jcenteredline(l);
  }

  public static <A extends JComponent> A toolTip(A c, final Object toolTip) {
    return setToolTipText(c, toolTip);
  }

  public static <A extends JComponent> A toolTip(Object toolTip, A c) {
    return setToolTipText(toolTip, c);
  }

  public static JButton jPopDownButton(String text, final Object... menuParams) {
    return jbutton((empty(text) ? "" : text + " ") + unicode_downPointingTriangle(), new Runnable() {

      public void run() {
        try {
          JPopupMenu menu = new JPopupMenu();
          int emptyCount = menu.getComponentCount();
          String position = (String) (optPar(menuParams, "position"));
          fillJPopupMenu(menu, paramsWithout(menuParams, "position"));
          if (menu.getComponentCount() != emptyCount) {
            JButton btn = heldInstance(JButton.class);
            int x = 0;
            if (eq(position, "center"))
              x = (btn.getWidth() - getPreferredWidth(menu)) / 2;
            else if (eq(position, "right"))
              x = btn.getWidth() - getPreferredWidth(menu);
            menu.show(btn, x, btn.getHeight());
          }
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "new JPopupMenu menu;\r\n    int emptyCount = menu.getComponentCount();\r\n    Str...";
      }
    });
  }

  public static Object swing(Object f) {
    return swingAndWait(f);
  }

  public static <A> A swing(F0<A> f) {
    return (A) swingAndWait(f);
  }

  public static <A> A swing(IF0<A> f) {
    return (A) swingAndWait(f);
  }

  public static JPanel centerAndEastWithMargin(Component c, Component e) {
    return centerAndEastWithMarginInbetween(c, e);
  }

  public static JTextField dm_textField(String field) {
    return dm_fieldTextField(field);
  }

  public static JButton dm_button(String methodName) {
    return dm_button(methodName, humanizeLabel(methodName));
  }

  public static JButton dm_button(String methodName, String buttonText) {
    return jThreadedButton(buttonText, dm_methodNameAsRunnable(methodName));
  }

  public static String defaultThreadName_name;

  public static String defaultThreadName() {
    if (defaultThreadName_name == null)
      defaultThreadName_name = "A thread by " + programID();
    return defaultThreadName_name;
  }

  public static Runnable wrapAsActivity(Object r) {
    return toRunnable(r);
  }

  public static Thread newThread(Object runnable) {
    return new Thread(_topLevelErrorHandling(toRunnable(runnable)));
  }

  public static Thread newThread(Object runnable, String name) {
    if (name == null)
      name = defaultThreadName();
    return new Thread(_topLevelErrorHandling(toRunnable(runnable)), name);
  }

  public static Thread newThread(String name, Object runnable) {
    return newThread(runnable, name);
  }

  public static Runnable toRunnable(final Object o) {
    if (o instanceof Runnable)
      return (Runnable) o;
    return new Runnable() {

      public void run() {
        try {
          callF(o);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "callF(o)";
      }
    };
  }

  public static Map<Thread, Boolean> _registerThread_threads;

  public static Object _onRegisterThread;

  public static Thread _registerThread(Thread t) {
    if (_registerThread_threads == null)
      _registerThread_threads = newWeakHashMap();
    _registerThread_threads.put(t, true);
    vm_generalWeakSubMap("thread2mc").put(t, weakRef(mc()));
    callF(_onRegisterThread, t);
    return t;
  }

  public static void _registerThread() {
    _registerThread(Thread.currentThread());
  }

  public static void dm_set(Object moduleOrID, String field, Object value) {
    call(dm_getModule(moduleOrID), "setField", field, value);
  }

  public static String dm_requireStreamOfScreenshots() {
    return dm_require("#1025188/StreamOfScreenshots");
  }

  public static <A> A assertNotNull(A a) {
    assertTrue(a != null);
    return a;
  }

  public static <A> A assertNotNull(String msg, A a) {
    assertTrue(msg, a != null);
    return a;
  }

  public static ParameterizedSegmenter segmenterFromAGIBlue(String name) {
    return parameterizedSegmenterFromAGIBlue(name);
  }

  public static <A> AutoCloseable dm_vmBus_onMessage_q(final String msg, final VF1<A> onMessage) {
    final DynModule m = dm_current_mandatory();
    return dm_vmBus_onMessage(msg, new VF1<A>() {

      public void get(final A a) {
        try {
          m.q().add(new Runnable() {

            public void run() {
              try {
                callF(onMessage, a);
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "callF(onMessage, a);";
            }
          });
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "switch to m.q();\r\n    callF(onMessage, a);";
      }
    });
  }

  public static <A, B> AutoCloseable dm_vmBus_onMessage_q(final String msg, final VF2<A, B> onMessage) {
    final DynModule m = dm_current_mandatory();
    return dm_vmBus_onMessage(msg, new VF2<A, B>() {

      public void get(final A a, final B b) {
        try {
          m.q().add(new Runnable() {

            public void run() {
              try {
                callF(onMessage, a, b);
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "callF(onMessage, a, b);";
            }
          });
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "switch to m.q();\r\n    callF(onMessage, a, b);";
      }
    });
  }

  public static <A> AutoCloseable dm_vmBus_onMessage_q(final String msg, final Runnable onMessage) {
    final DynModule m = dm_current_mandatory();
    return dm_vmBus_onMessage(msg, new VF1<A>() {

      public void get(final A a) {
        try {
          m.q().add(new Runnable() {

            public void run() {
              try {
                callF(onMessage);
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "callF(onMessage);";
            }
          });
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "switch to m.q();\r\n    callF(onMessage);";
      }
    });
  }

  public static boolean warn_on = true;

  public static ThreadLocal<List<String>> warn_warnings = new ThreadLocal();

  public static void warn(String s) {
    if (warn_on)
      print("Warning: " + s);
  }

  public static void warn(String s, List<String> warnings) {
    warn(s);
    if (warnings != null)
      warnings.add(s);
    addToCollection(warn_warnings.get(), s);
  }

  public static <A> List<A> sortByCalculatedField(Iterable<A> c, final Object f) {
    List<A> l = cloneList(c);
    sort(l, new Comparator<A>() {

      public int compare(A a, A b) {
        return stdcompare(callF(f, a), callF(f, b));
      }
    });
    return l;
  }

  public static boolean infoMessage_alwaysOnTop = true;

  public static double infoMessage_defaultTime = 5.0;

  public static JWindow infoMessage(String text) {
    return infoMessage(text, infoMessage_defaultTime);
  }

  public static JWindow infoMessage(final String text, final double seconds) {
    printHidingCredentials(text);
    return infoMessage_noprint(text, seconds);
  }

  public static JWindow infoMessage_noprint(String text) {
    return infoMessage_noprint(text, infoMessage_defaultTime);
  }

  public static JWindow infoMessage_noprint(final String _text, final double seconds) {
    final String text = hideCredentials(_text);
    if (empty(text))
      return null;
    logQuotedWithDate(infoBoxesLogFile(), text);
    if (isHeadless())
      return null;
    return (JWindow) swingAndWait(new F0<Object>() {

      public Object get() {
        try {
          final JWindow window = showWindow(infoMessage_makePanel(text));
          window.setSize(300, 150);
          moveToTopRightCorner(window);
          if (infoMessage_alwaysOnTop)
            window.setAlwaysOnTop(true);
          window.setVisible(true);
          if (seconds != 0)
            disposeWindowAfter(iround(seconds * 1000), window);
          return window;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "final JWindow window = showWindow(infoMessage_makePanel(text));\r\n    window.s...";
      }
    });
  }

  public static JWindow infoMessage(Throwable e) {
    printStackTrace(e);
    return infoMessage(exceptionToStringShort(e));
  }

  public static Object vmBus_query(String msg, Object... args) {
    Object arg = vmBus_wrapArgs(args);
    {
      Object __559 = pcallFAll_returnFirstNotNull(vm_busListeners_live(), msg, arg);
      if (__559 != null)
        return __559;
    }
    return pcallFAll_returnFirstNotNull(vm_busListenersByMessage_live().get(msg), msg, arg);
  }

  public static Object vmBus_query(String msg) {
    return vmBus_query(msg, (Object) null);
  }

  public static MouseMover mouseMover_instance;

  public static MouseMover mouseMover() {
    if (mouseMover_instance == null) {
      swing(new Runnable() {

        public void run() {
          try {
            if (mouseMover_instance == null) {
              mouseMover_instance = new MouseMover();
              mouseMover_instance.enable();
            }
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "if (mouseMover_instance == null) {\r\n      mouseMover_instance = new MouseMove...";
        }
      });
    }
    return mouseMover_instance;
  }

  public static void cleanMeUp_mouseMover() {
    cleanUp(mouseMover_instance);
  }

  public static Object callWithImportExport(Object o, String method, Object... args) {
    return quickImport(call(o, method, (Object[]) quickExport(args, o)));
  }

  public static Map<String, String> humanizeFormLabel_replacements = litmap("id", "ID", "md5", "MD5");

  public static String humanizeFormLabel(String s) {
    if (containsSpace(s))
      return s;
    return firstToUpper(joinWithSpace(replaceElementsUsingMap(splitCamelCase(s), humanizeFormLabel_replacements)).replace("I D", "ID"));
  }

  public static Pt centerOfRect(Rect r) {
    return r == null ? null : new Pt(r.x + r.w / 2, r.y + r.h / 2);
  }

  public static <A> A oneOf(List<A> l) {
    return empty(l) ? null : l.get(new Random().nextInt(l.size()));
  }

  public static char oneOf(String s) {
    return empty(s) ? '?' : s.charAt(random(l(s)));
  }

  public static String oneOf(String... l) {
    return oneOf(asList(l));
  }

  public static <A> A collectionGet(Collection<A> c, int idx) {
    if (c == null || idx < 0 || idx >= l(c))
      return null;
    if (c instanceof List)
      return listGet((List<A>) c, idx);
    Iterator<A> it = c.iterator();
    for (int i = 0; i < idx; i++) if (it.hasNext())
      it.next();
    else
      return null;
    return it.hasNext() ? it.next() : null;
  }

  public static <A> A optPar(ThreadLocal<A> tl, A defaultValue) {
    A a = tl.get();
    if (a != null) {
      tl.set(null);
      return a;
    }
    return defaultValue;
  }

  public static <A> A optPar(ThreadLocal<A> tl) {
    return optPar(tl, null);
  }

  public static Object optPar(Object[] params, String name) {
    return optParam(params, name);
  }

  public static Object optPar(String name, Object[] params) {
    return optParam(params, name);
  }

  public static Object optPar(String name, Map params) {
    return optParam(name, params);
  }

  public static <A> A optPar(Object[] params, String name, A defaultValue) {
    return optParam(params, name, defaultValue);
  }

  public static <A> A optPar(String name, Object[] params, A defaultValue) {
    return optParam(params, name, defaultValue);
  }

  public static double doublePar(String name, Object[] __, double defaultValue) {
    Number n = (Number) (optPar(name, __));
    return n == null ? defaultValue : n.doubleValue();
  }

  public static long sysNow() {
    ping();
    return System.nanoTime() / 1000000;
  }

  public static volatile boolean licensed_yes = true;

  public static boolean licensed() {
    if (!licensed_yes)
      return false;
    ping_okInCleanUp();
    return true;
  }

  public static void licensed_off() {
    licensed_yes = false;
  }

  public static long toMS(double seconds) {
    return (long) (seconds * 1000);
  }

  public static boolean isFalse_callF(Object condition, Object... args) {
    return isFalse(callF(condition, args));
  }

  public static boolean isTrue_rcall(String method, Object o, Object... args) {
    return isTrue(rcall(method, o, args));
  }

  public static Pt mouseLocationPt() {
    return mousePointer();
  }

  public static Object rcall(String method, Object o, Object... args) {
    return call_withVarargs(o, method, args);
  }

  public static void click(Rect r) {
    mouseClickAfterMove(r);
  }

  public static void automate_ctrlX(char c) {
    assertAutomationAllowed();
    int kc = KeyEvent.getExtendedKeyCodeForChar(Character.toLowerCase(c));
    if (kc == KeyEvent.VK_UNDEFINED)
      throw fail("" + c);
    awtRobot().keyPress(KeyEvent.VK_CONTROL);
    awtRobot().keyPress(kc);
    awtRobot().keyRelease(kc);
    awtRobot().keyRelease(KeyEvent.VK_CONTROL);
  }

  public static List<Character> characters(final String s) {
    return stringAsCharacterList(s);
  }

  public static void automate_typeChar(char c) {
    assertAutomationAllowed();
    int kc = KeyEvent.getExtendedKeyCodeForChar(Character.toLowerCase(c));
    if (kc == KeyEvent.VK_UNDEFINED) {
      print("No keycode for " + c);
      return;
    }
    awtRobot().keyPress(kc);
    awtRobot().keyRelease(kc);
  }

  public static void automate_type(int keyCode) {
    assertAutomationAllowed();
    awtRobot().keyPress(keyCode);
    awtRobot().keyRelease(keyCode);
  }

  public static volatile boolean sleep_noSleep = false;

  public static void sleep(long ms) {
    ping();
    if (ms < 0)
      return;
    if (isAWTThread() && ms > 100)
      throw fail("Should not sleep on AWT thread");
    try {
      Thread.sleep(ms);
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }

  public static void sleep() {
    try {
      if (sleep_noSleep)
        throw fail("nosleep");
      print("Sleeping.");
      sleepQuietly();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static long round(double d) {
    return Math.round(d);
  }

  public static boolean empty(Collection c) {
    return c == null || c.isEmpty();
  }

  public static boolean empty(CharSequence s) {
    return s == null || s.length() == 0;
  }

  public static boolean empty(Map map) {
    return map == null || map.isEmpty();
  }

  public static boolean empty(Object[] o) {
    return o == null || o.length == 0;
  }

  public static boolean empty(Object o) {
    if (o instanceof Collection)
      return empty((Collection) o);
    if (o instanceof String)
      return empty((String) o);
    if (o instanceof Map)
      return empty((Map) o);
    if (o instanceof Object[])
      return empty((Object[]) o);
    if (o instanceof byte[])
      return empty((byte[]) o);
    if (o == null)
      return true;
    throw fail("unknown type for 'empty': " + getType(o));
  }

  public static boolean empty(Iterator i) {
    return i == null || !i.hasNext();
  }

  public static boolean empty(float[] a) {
    return a == null || a.length == 0;
  }

  public static boolean empty(int[] a) {
    return a == null || a.length == 0;
  }

  public static boolean empty(long[] a) {
    return a == null || a.length == 0;
  }

  public static boolean empty(byte[] a) {
    return a == null || a.length == 0;
  }

  public static boolean empty(short[] a) {
    return a == null || a.length == 0;
  }

  public static boolean empty(MultiSet ms) {
    return ms == null || ms.isEmpty();
  }

  public static boolean empty(File f) {
    return getFileSize(f) == 0;
  }

  public static final Map<Class, _MethodCache> callOpt_cache = newDangerousWeakHashMap();

  public static Object callOpt_cached(Object o, String methodName, Object... args) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class) {
        Class c = (Class) o;
        _MethodCache cache = callOpt_getCache(c);
        Method me = cache.findMethod(methodName, args);
        if (me == null || (me.getModifiers() & Modifier.STATIC) == 0)
          return null;
        return invokeMethod(me, null, args);
      } else {
        Class c = o.getClass();
        _MethodCache cache = callOpt_getCache(c);
        Method me = cache.findMethod(methodName, args);
        if (me == null)
          return null;
        return invokeMethod(me, o, args);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static _MethodCache callOpt_getCache(Class c) {
    synchronized (callOpt_cache) {
      _MethodCache cache = callOpt_cache.get(c);
      if (cache == null)
        callOpt_cache.put(c, cache = new _MethodCache(c));
      return cache;
    }
  }

  public static Object invokeMethod(Method m, Object o, Object... args) {
    try {
      try {
        return m.invoke(o, args);
      } catch (InvocationTargetException e) {
        throw rethrow(getExceptionCause(e));
      } catch (IllegalArgumentException e) {
        throw new IllegalArgumentException(e.getMessage() + " - was calling: " + m + ", args: " + joinWithSpace(classNames(args)));
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean isStaticMethod(Method m) {
    return methodIsStatic(m);
  }

  public static Object[] massageArgsForVarArgsCall(Method m, Object[] args) {
    Class<?>[] types = m.getParameterTypes();
    int n = types.length - 1, nArgs = args.length;
    if (nArgs < n)
      return null;
    for (int i = 0; i < n; i++) if (!argumentCompatibleWithType(args[i], types[i]))
      return null;
    Class varArgType = types[n].getComponentType();
    for (int i = n; i < nArgs; i++) if (!argumentCompatibleWithType(args[i], varArgType))
      return null;
    Object[] newArgs = new Object[n + 1];
    arraycopy(args, 0, newArgs, 0, n);
    Object[] varArgs = arrayOfType(varArgType, nArgs - n);
    arraycopy(args, n, varArgs, 0, nArgs - n);
    newArgs[n] = varArgs;
    return newArgs;
  }

  public static <A> String joinWithComma(Collection<A> c) {
    return join(", ", c);
  }

  public static String joinWithComma(String... c) {
    return join(", ", c);
  }

  public static String joinWithComma(Pair p) {
    return p == null ? "" : joinWithComma(str(p.a), str(p.b));
  }

  public static List<String> classNames(Collection l) {
    return getClassNames(l);
  }

  public static List<String> classNames(Object[] l) {
    return getClassNames(Arrays.asList(l));
  }

  public static Class __javax;

  public static Class getJavaX() {
    try {
      return __javax;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean nemptyString(String s) {
    return s != null && s.length() > 0;
  }

  public static int strL(String s) {
    return s == null ? 0 : s.length();
  }

  public static int listL(Collection l) {
    return l == null ? 0 : l.size();
  }

  public static boolean neq(Object a, Object b) {
    return !eq(a, b);
  }

  public static Object defaultDefaultClassFinder() {
    return new F1<String, Class>() {

      public Class get(String name) {
        try {
          Class c = findClass_fullName(name);
          if (c != null)
            return c;
          if (startsWith(name, "loadableUtils.utils$"))
            return findClass_fullName("main" + substring(name, 19));
          return null;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Class c = findClass_fullName(name);\r\n    if (c != null) ret c;\r\n    if (start...";
      }
    };
  }

  public static boolean nempty(Collection c) {
    return !empty(c);
  }

  public static boolean nempty(CharSequence s) {
    return !empty(s);
  }

  public static boolean nempty(Object[] o) {
    return !empty(o);
  }

  public static boolean nempty(byte[] o) {
    return !empty(o);
  }

  public static boolean nempty(int[] o) {
    return !empty(o);
  }

  public static boolean nempty(Map m) {
    return !empty(m);
  }

  public static boolean nempty(Iterator i) {
    return i != null && i.hasNext();
  }

  public static boolean nempty(Object o) {
    return !empty(o);
  }

  public static String formatSnippetIDOpt(String s) {
    return isSnippetID(s) ? formatSnippetID(s) : s;
  }

  public static String formatSnippetID(String id) {
    return "#" + parseSnippetID(id);
  }

  public static String formatSnippetID(long id) {
    return "#" + id;
  }

  public static Class getMainClass() {
    return mc();
  }

  public static Class getMainClass(Object o) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class && eq(((Class) o).getName(), "x30"))
        return (Class) o;
      return (o instanceof Class ? (Class) o : o.getClass()).getClassLoader().loadClass("main");
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static volatile boolean ping_pauseAll = false;

  public static int ping_sleep = 100;

  public static volatile boolean ping_anyActions = false;

  public static Map<Thread, Object> ping_actions = newWeakHashMap();

  public static ThreadLocal<Boolean> ping_isCleanUpThread = new ThreadLocal();

  public static boolean ping() {
    if (ping_pauseAll || ping_anyActions)
      ping_impl(true);
    return true;
  }

  public static boolean ping_impl(boolean okInCleanUp) {
    try {
      if (ping_pauseAll && !isAWTThread()) {
        do Thread.sleep(ping_sleep); while (ping_pauseAll);
        return true;
      }
      if (ping_anyActions) {
        if (!okInCleanUp && !isTrue(ping_isCleanUpThread.get()))
          failIfUnlicensed();
        Object action = null;
        synchronized (ping_actions) {
          if (!ping_actions.isEmpty()) {
            action = ping_actions.get(currentThread());
            if (action instanceof Runnable)
              ping_actions.remove(currentThread());
            if (ping_actions.isEmpty())
              ping_anyActions = false;
          }
        }
        if (action instanceof Runnable)
          ((Runnable) action).run();
        else if (eq(action, "cancelled"))
          throw fail("Thread cancelled.");
      }
      return false;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> A or(A a, A b) {
    return a != null ? a : b;
  }

  public static boolean eq(Object a, Object b) {
    return a == b || (a == null ? b == null : b != null && a.equals(b));
  }

  public static void rotateStringBuffer(StringBuffer buf, int max) {
    try {
      if (buf == null)
        return;
      synchronized (buf) {
        if (buf.length() <= max)
          return;
        try {
          int newLength = max / 2;
          int ofs = buf.length() - newLength;
          String newString = buf.substring(ofs);
          buf.setLength(0);
          buf.append("[...] ").append(newString);
        } catch (Exception e) {
          buf.setLength(0);
        }
        buf.trimToSize();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void rotateStringBuilder(StringBuilder buf, int max) {
    try {
      if (buf == null)
        return;
      synchronized (buf) {
        if (buf.length() <= max)
          return;
        try {
          int newLength = max / 2;
          int ofs = buf.length() - newLength;
          String newString = buf.substring(ofs);
          buf.setLength(0);
          buf.append("[...] ").append(newString);
        } catch (Exception e) {
          buf.setLength(0);
        }
        buf.trimToSize();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> AutoCloseable tempSetThreadLocal(final ThreadLocal<A> tl, A a) {
    if (tl == null)
      return null;
    final A prev = setThreadLocal(tl, a);
    return new AutoCloseable() {

      public String toString() {
        return "tl.set(prev);";
      }

      public void close() throws Exception {
        tl.set(prev);
      }
    };
  }

  public static JComponent wrap(Object swingable) {
    return _recordNewSwingComponent(wrap_2(swingable));
  }

  public static JComponent wrap_2(Object swingable) {
    if (swingable == null)
      return null;
    JComponent c;
    if (swingable instanceof Component)
      c = componentToJComponent(((Component) swingable));
    else
      c = componentToJComponent((Component) callOpt(swingable, "swing"));
    if (c instanceof JTable || c instanceof JList || c instanceof JTextArea || c instanceof JEditorPane || c instanceof JTextPane || c instanceof JTree)
      return jscroll(c);
    return c == null ? jlabel(str(swingable)) : c;
  }

  public static JButton jbutton(String text, Object action) {
    return newButton(text, action);
  }

  public static JButton jbutton(String text) {
    return newButton(text, null);
  }

  public static JButton jbutton(Action action) {
    return swingNu(JButton.class, action);
  }

  public static JPanel jcenteredline(final Component... components) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          return jFullCenter(hstackWithSpacing(components));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret jFullCenter(hstackWithSpacing(components));";
      }
    });
  }

  public static JPanel jcenteredline(List<? extends Component> components) {
    return jcenteredline(asArray(Component.class, components));
  }

  public static <A extends JComponent> A setToolTipText(final A c, final Object toolTip) {
    if (c == null)
      return null;
    {
      swing(new Runnable() {

        public void run() {
          try {
            String s = nullIfEmpty(str(toolTip));
            if (neq(s, c.getToolTipText()))
              c.setToolTipText(s);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "String s = nullIfEmpty(str(toolTip));\r\n    if (neq(s, c.getToolTipText()))\r\n ...";
        }
      });
    }
    return c;
  }

  public static <A extends JComponent> A setToolTipText(Object toolTip, A c) {
    return setToolTipText(c, toolTip);
  }

  public static String unicode_downPointingTriangle() {
    return charToString(0x25BC);
  }

  public static void fillJPopupMenu(JPopupMenu m, Object... x) {
    if (x == null)
      return;
    for (int i = 0; i < l(x); i++) {
      Object o = x[i], y = get(x, i + 1);
      if (o instanceof List)
        fillJPopupMenu(m, asArray((List) o));
      else if (isMenuSeparatorIndicator(o))
        m.addSeparator();
      else if (o instanceof LiveValue && ((LiveValue) o).getType() == String.class && isRunnableX(y)) {
        final LiveValue<String> lv = (LiveValue<String>) o;
        final JMenuItem mi = jmenuItem("", y);
        bindLiveValueListenerToComponent(mi, lv, new Runnable() {

          public void run() {
            try {
              String s = lv.get();
              if (isCurlyBracketed(s)) {
                setEnabled(mi, false);
                s = unCurlyBracket(s);
              } else
                setEnabled(mi, true);
              setText(mi, s);
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "String s = lv.get();\r\n        if (isCurlyBracketed(s)) {\r\n          setEnable...";
          }
        });
        m.add(mi);
      } else if (o instanceof String && isRunnableX(y)) {
        m.add(jmenuItem((String) o, y));
        ++i;
      } else if (o instanceof JMenuItem)
        m.add((JMenuItem) o);
      else if (o instanceof String || o instanceof Action || o instanceof Component)
        call(m, "add", o);
      else if (o != null)
        print("Unknown menu item: " + o);
    }
  }

  public static Object[] paramsWithout(Object[] a1, Object... keys) {
    if (l(a1) == 1 && a1[0] instanceof Map)
      return new Object[] { mapMinus((Map) a1[0], keys) };
    Set set = lithashset(keys);
    List l = new ArrayList();
    for (int i = 0; i + 1 < l(a1); i += 2) if (!set.contains(a1[i])) {
      l.add(a1[i]);
      l.add(a1[i + 1]);
    }
    return toObjectArray(l);
  }

  public static <A> A heldInstance(Class<A> c) {
    List<Object> l = holdInstance_l.get();
    for (int i = l(l) - 1; i >= 0; i--) {
      Object o = l.get(i);
      if (isInstanceOf(o, c))
        return (A) o;
    }
    throw fail("No instance of " + className(c) + " held");
  }

  public static int getPreferredWidth(Component c) {
    return preferredWidth(c);
  }

  public static void swingAndWait(Runnable r) {
    try {
      if (isAWTThread())
        r.run();
      else
        EventQueue.invokeAndWait(addThreadInfoToRunnable(r));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Object swingAndWait(final Object f) {
    if (isAWTThread())
      return callF(f);
    else {
      final Var result = new Var();
      swingAndWait(new Runnable() {

        public void run() {
          try {
            result.set(callF(f));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "result.set(callF(f));";
        }
      });
      return result.get();
    }
  }

  public static JPanel centerAndEastWithMarginInbetween(Component c, final Component e) {
    return centerAndEast(c, withLeftMargin(e));
  }

  public static JTextField dm_fieldTextField(String field) {
    return jLiveValueTextField_bothWays(dm_fieldLiveValue(field));
  }

  public static String humanizeLabel(String s) {
    return humanizeFormLabel(s);
  }

  public static JButton jThreadedButton(final String text, final Object action) {
    return swing(new F0<JButton>() {

      public JButton get() {
        try {
          String text2 = dropPrefix("[disabled] ", text);
          final JButton btn = new JButton(text2);
          if (l(text2) < l(text))
            btn.setEnabled(false);
          btn.setToolTipText(btn.getText());
          if (action != null)
            btn.addActionListener(actionListenerInNewThread(action, btn));
          return btn;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "S text2 = dropPrefix(\"[disabled] \", text);\r\n    final JButton btn = new JButt...";
      }
    });
  }

  public static Runnable dm_methodNameAsRunnable(String methodName) {
    Object mod = dm_current_mandatory_generic();
    return new Runnable() {

      public void run() {
        try {
          AutoCloseable __6 = dm_enter(mod);
          try {
            call(mod, methodName);
          } finally {
            _close(__6);
          }
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "AutoCloseable __6 = dm_enter(mod); try { call(mod, methodName); } finally { _...";
      }
    };
  }

  public static Runnable _topLevelErrorHandling(final Runnable runnable) {
    final Object info = _threadInfo();
    return new Runnable() {

      public void run() {
        try {
          try {
            _threadInheritInfo(info);
            runnable.run();
          } catch (Throwable __e) {
            _handleException(__e);
          }
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "pcall {\r\n      _threadInheritInfo(info);\r\n      runnable.run();\r\n    }";
      }
    };
  }

  public static <A> WeakReference<A> weakRef(A a) {
    return newWeakReference(a);
  }

  public static Object dm_getModule(Object moduleOrID) {
    if (moduleOrID == null || eq(moduleOrID, ""))
      return null;
    if (isString(moduleOrID) && isIdentifier(((String) moduleOrID)))
      return dm_getService(((String) moduleOrID));
    if (isStringOrIntOrLong(moduleOrID))
      return dm_callOS("getDynModuleByID", str(moduleOrID));
    return dm_resolveModule(moduleOrID);
  }

  public static String dm_require(String moduleLibID) {
    return dm_makeModule(moduleLibID);
  }

  public static ParameterizedSegmenter parameterizedSegmenterFromAGIBlue(String name) {
    ParameterizedSegmenter segmenter = new ParameterizedSegmenter();
    List<Pair<String, String>> values = agiBlue_lookupMultipleKeys(agiBlue_imageSegmentationSlice(), name, nonTransientNonStaticFieldNames(segmenter));
    if (empty(values))
      return null;
    for (Pair<String, String> __101 : values) {
      String key = pairA(__101);
      String value = pairB(__101);
      set(segmenter, key, safeUnstructureAllowingCertainClasses_plusUtils(value, "Rect", "DoubleRange"));
    }
    return segmenter;
  }

  public static <A> AutoCloseable dm_vmBus_onMessage(final String msg, final VF1<A> onMessage) {
    return dm_ownResource(vmBus_onMessage(msg, onMessage));
  }

  public static <A, B> AutoCloseable dm_vmBus_onMessage(String msg, final VF2<A, B> onMessage) {
    return dm_ownResource(vmBus_onMessage(msg, onMessage));
  }

  public static AutoCloseable dm_vmBus_onMessage(String msg, Runnable onMessage) {
    return dm_ownResource(vmBus_onMessage(msg, onMessage));
  }

  public static <A> boolean addToCollection(Collection<A> c, A a) {
    return c != null && c.add(a);
  }

  public static <A> ArrayList<A> cloneList(Iterable<A> l) {
    return l instanceof Collection ? cloneList((Collection) l) : asList(l);
  }

  public static <A> ArrayList<A> cloneList(Collection<A> l) {
    if (l == null)
      return new ArrayList();
    synchronized (collectionMutex(l)) {
      return new ArrayList<A>(l);
    }
  }

  public static <T> void sort(T[] a, Comparator<? super T> c) {
    Arrays.sort(a, c);
  }

  public static <T> void sort(T[] a) {
    Arrays.sort(a);
  }

  public static void sort(int[] a) {
    if (a != null)
      Arrays.sort(a);
  }

  public static <T> void sort(List<T> a, Comparator<? super T> c) {
    Collections.sort(a, c);
  }

  public static void sort(List a) {
    Collections.sort(a);
  }

  public static int stdcompare(Number a, Number b) {
    return cmp(a, b);
  }

  public static int stdcompare(String a, String b) {
    return cmp(a, b);
  }

  public static int stdcompare(long a, long b) {
    return a < b ? -1 : a > b ? 1 : 0;
  }

  public static int stdcompare(Object a, Object b) {
    return cmp(a, b);
  }

  public static <A> A printHidingCredentials(A o) {
    print(hideCredentials(str(o)));
    return o;
  }

  public static String hideCredentials(URL url) {
    return url == null ? null : hideCredentials(str(url));
  }

  public static String hideCredentials(String url) {
    try {
      if (startsWithOneOf(url, "http://", "https://") && isAGIBlueDomain(hostNameFromURL(url)))
        return url;
    } catch (Throwable e) {
      print("HideCredentials", e);
    }
    return url.replaceAll("([&?])(_pass|key)=[^&\\s\"]*", "$1$2=<hidden>");
  }

  public static String hideCredentials(Object o) {
    return hideCredentials(str(o));
  }

  public static void logQuotedWithDate(String s) {
    logQuotedWithTime(s);
  }

  public static void logQuotedWithDate(String logFile, String s) {
    logQuotedWithTime(logFile, s);
  }

  public static void logQuotedWithDate(File logFile, String s) {
    logQuotedWithTime(logFile, s);
  }

  public static File infoBoxesLogFile() {
    return new File(javaxDataDir(), "Logs/infoBoxes.txt");
  }

  public static JWindow showWindow(Component c) {
    JWindow w = new JWindow();
    w.add(wrap(c));
    return w;
  }

  public static JPanel infoMessage_makePanel(String text) {
    final JTextArea ta = wrappedTextArea(text);
    onClick(ta, new Runnable() {

      public void run() {
        try {
          disposeWindow(ta);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "disposeWindow(ta)";
      }
    });
    int size = 14;
    if (l(text) <= 50)
      size *= 2;
    else if (l(text) < 100)
      size = iround(size * 1.5);
    ta.setFont(typeWriterFont(size));
    JScrollPane sp = jscroll(ta);
    return withMargin(sp);
  }

  public static int moveToTopRightCorner_inset = 20;

  public static <A extends Component> A moveToTopRightCorner(A a) {
    return moveToTopRightCorner(moveToTopRightCorner_inset, moveToTopRightCorner_inset, a);
  }

  public static <A extends Component> A moveToTopRightCorner(int insetX, int insetY, A a) {
    Window w = getWindow(a);
    if (w != null)
      w.setLocation(getScreenSize().width - w.getWidth() - insetX, insetY);
    return a;
  }

  public static <A extends Window> A disposeWindowAfter(int delay, final A w) {
    if (w != null)
      swingLater(delay, new Runnable() {

        public void run() {
          try {
            w.dispose();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "w.dispose();";
        }
      });
    return w;
  }

  public static <A extends Window> A disposeWindowAfter(A w, double seconds) {
    return disposeWindowAfter(toMS_int(seconds), w);
  }

  public static <A extends Window> A disposeWindowAfter(double seconds, A w) {
    return disposeWindowAfter(w, seconds);
  }

  public static int iround(double d) {
    return (int) Math.round(d);
  }

  public static int iround(Number n) {
    return iround(toDouble(n));
  }

  public static <A extends Throwable> A printStackTrace(A e) {
    print(getStackTrace(e));
    return e;
  }

  public static void printStackTrace() {
    printStackTrace(new Throwable());
  }

  public static void printStackTrace(String msg) {
    printStackTrace(new Throwable(msg));
  }

  public static void printStackTrace(String msg, Throwable e) {
    printStackTrace(new Throwable(msg, e));
  }

  public static String exceptionToStringShort(Throwable e) {
    lastException(e);
    e = getInnerException(e);
    String msg = hideCredentials(unnull(e.getMessage()));
    if (msg.indexOf("Error") < 0 && msg.indexOf("Exception") < 0)
      return baseClassName(e) + prependIfNempty(": ", msg);
    else
      return msg;
  }

  public static Object vmBus_wrapArgs(Object... args) {
    return empty(args) ? null : l(args) == 1 ? args[0] : args;
  }

  public static Object pcallFAll_returnFirstNotNull(Collection l, Object... args) {
    if (l != null)
      for (Object f : cloneList(l)) {
        Object __673 = pcallF(f, args);
        if (__673 != null)
          return __673;
      }
    return null;
  }

  public static Object pcallFAll_returnFirstNotNull(Iterator it, Object... args) {
    while (it.hasNext()) {
      Object __674 = pcallF(it.next(), args);
      if (__674 != null)
        return __674;
    }
    return null;
  }

  public static Set vm_busListeners_live_cache;

  public static Set vm_busListeners_live() {
    if (vm_busListeners_live_cache == null)
      vm_busListeners_live_cache = vm_busListeners_live_load();
    return vm_busListeners_live_cache;
  }

  public static Set vm_busListeners_live_load() {
    return vm_generalIdentityHashSet("busListeners");
  }

  public static Map<String, Set> vm_busListenersByMessage_live_cache;

  public static Map<String, Set> vm_busListenersByMessage_live() {
    if (vm_busListenersByMessage_live_cache == null)
      vm_busListenersByMessage_live_cache = vm_busListenersByMessage_live_load();
    return vm_busListenersByMessage_live_cache;
  }

  public static Map<String, Set> vm_busListenersByMessage_live_load() {
    return vm_generalHashMap("busListenersByMessage");
  }

  public static boolean cleanUp_interruptThreads = false;

  public static void cleanUp(Object c) {
    if (c == null)
      return;
    if (c instanceof AutoCloseable) {
      close_pcall(((AutoCloseable) c));
      return;
    }
    if (c instanceof java.util.Timer) {
      ((java.util.Timer) c).cancel();
      return;
    }
    if (c instanceof Collection) {
      cleanUp((Collection) c);
      return;
    }
    if (c instanceof Map) {
      for (Object o : keys((Map) c)) cleanUp(o);
      for (Object o : values((Map) c)) cleanUp(o);
      ((Map) c).clear();
      return;
    }
    try {
      preCleanUp(c);
      setOpt(c, "ping_pauseAll", false);
      innerCleanUp(c);
      List androids = (List) getOpt(c, "record_list");
      for (Object android : unnull(androids)) pcallOpt(android, "dispose");
      List<WeakReference> classes = (List<WeakReference>) (getOpt(c, "hotwire_classes"));
      if (classes != null)
        for (WeakReference cc : classes) {
          try {
            cleanUp(cc.get());
          } catch (Throwable __e) {
            _handleException(__e);
          }
        }
      if (cleanUp_interruptThreads) {
        List<Thread> threads = registeredThreads(c);
        if (nempty(threads)) {
          print("cleanUp: Interrupting " + n2(threads, "thread") + ": " + joinWithComma(allToString(threads)));
          interruptThreads(threads);
        }
      }
    } catch (Throwable __e) {
      _handleException(__e);
    }
    setOpt(c, "cleaningUp_flag", false);
    if (c instanceof Class && ((Class) c).getName().equals("main"))
      retireClassLoader(((Class) c).getClassLoader());
  }

  public static void cleanUp(Collection l) {
    if (l == null)
      return;
    for (Object c : l) cleanUp(c);
    l.clear();
  }

  public static Object quickImport(Object o) {
    return quickExport(o, mc());
  }

  public static Object quickExport(Object o, Object dest) {
    return quickExport_impl(o, dest, new IdentityHashMap(), new HashMap());
  }

  public static Object quickExport(Object o, Object dest, int expectedNumberOfObjects) {
    return quickExport_impl(o, dest, new IdentityHashMap(expectedNumberOfObjects), new HashMap());
  }

  public static Object quickExport_impl(Object o, Object dest, IdentityHashMap seen, HashMap<Class, Class> classMap) {
    try {
      if (o == null || o instanceof String || o instanceof Number)
        return o;
      Object oo = seen.get(o);
      if (oo != null)
        return oo;
      if (o instanceof Object[]) {
        Object[] l = (Object[]) o;
        Object[] destO = newObjectArrayOfSameType(l, l.length);
        seen.put(o, destO);
        for (int i = 0; i < l.length; i++) destO[i] = quickExport_impl(l[i], dest, seen, classMap);
        return destO;
      }
      if (o instanceof List) {
        List l = (List) o;
        List destO = new ArrayList(l.size());
        seen.put(o, destO);
        for (int i = 0; i < l.size(); i++) destO.add(quickExport_impl(l.get(i), dest, seen, classMap));
        return destO;
      }
      if (o instanceof Map) {
        Map m = (Map) o;
        Map destO = new HashMap();
        seen.put(o, destO);
        for (Object e : ((Map) o).entrySet()) destO.put(quickExport_impl(((Map.Entry) e).getKey(), dest, seen, classMap), quickExport_impl(((Map.Entry) e).getValue(), dest, seen, classMap));
        return destO;
      }
      Class c = o.getClass();
      String className = c.getName();
      className = loadableUtilsClassNameToMain(className);
      if (className.startsWith("main$")) {
        Class destClass = classMap.get(c);
        if (destClass == null) {
          if (!classMap.containsKey(c)) {
            if (!isAnonymousClassName(className))
              destClass = getClass_vmName_withLoadableUtils(dest, className);
            classMap.put(c, destClass);
          }
          if (destClass == null)
            return o;
        }
        if (c == destClass)
          return o;
        Object destO = nuObjectWithoutArguments(destClass);
        seen.put(o, destO);
        while (c != Object.class) {
          Field[] fields = c.getDeclaredFields();
          for (Field field : fields) {
            if ((field.getModifiers() & Modifier.STATIC) != 0)
              continue;
            field.setAccessible(true);
            Object value = field.get(o);
            setOpt(destO, field.getName(), quickExport_impl(value, dest, seen, classMap));
          }
          c = c.getSuperclass();
        }
        return destO;
      }
      return o;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static HashMap litmap(Object... x) {
    HashMap map = new HashMap();
    litmap_impl(map, x);
    return map;
  }

  public static void litmap_impl(Map map, Object... x) {
    if (x != null)
      for (int i = 0; i < x.length - 1; i += 2) if (x[i + 1] != null)
        map.put(x[i], x[i + 1]);
  }

  public static boolean containsSpace(String s) {
    return containsSpaces(s);
  }

  public static String firstToUpper(String s) {
    if (empty(s))
      return s;
    return Character.toUpperCase(s.charAt(0)) + s.substring(1);
  }

  public static String joinWithSpace(Collection<String> c) {
    return join(" ", c);
  }

  public static String joinWithSpace(String... c) {
    return join(" ", c);
  }

  public static <A> List<A> replaceElementsUsingMap(Iterable<A> l, final Map<A, A> map) {
    return map(l, new F1<A, A>() {

      public A get(A a) {
        try {
          return getOrKeep(map, a);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "getOrKeep(map, a)";
      }
    });
  }

  public static List<String> splitCamelCase(String s) {
    return ai_splitCamelCase(s);
  }

  public static <A> A listGet(List<A> l, int idx) {
    return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null;
  }

  public static <A> A optParam(ThreadLocal<A> tl, A defaultValue) {
    return optPar(tl, defaultValue);
  }

  public static <A> A optParam(ThreadLocal<A> tl) {
    return optPar(tl);
  }

  public static Object optParam(String name, Map params) {
    return mapGet(params, name);
  }

  public static <A> A optParam(Object[] opt, String name, A defaultValue) {
    int n = l(opt);
    if (n == 1 && opt[0] instanceof Map) {
      Map map = (Map) (opt[0]);
      return map.containsKey(name) ? (A) map.get(name) : defaultValue;
    }
    if (!even(l(opt)))
      throw fail("Odd parameter length");
    for (int i = 0; i < l(opt); i += 2) if (eq(opt[i], name))
      return (A) opt[i + 1];
    return defaultValue;
  }

  public static Object optParam(Object[] opt, String name) {
    return optParam(opt, name, null);
  }

  public static Pt mousePointer() {
    return new Pt(getMouseLocation());
  }

  public static void mouseClickAfterMove(Rect r) {
    if (r == null)
      throw fail("Nothing to click on");
    moveMouseTo(r);
    mouseClick();
  }

  public static void assertAutomationAllowed() {
    if (mouseMover().blocked())
      throw fail("Automation blocked");
  }

  public static Robot awtRobot_instance;

  public static Robot awtRobot() {
    if (awtRobot_instance == null) {
      swing(new Runnable() {

        public void run() {
          try {
            if (awtRobot_instance == null)
              awtRobot_instance = new Robot();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "if (awtRobot_instance == null) awtRobot_instance = new Robot;";
        }
      });
    }
    return awtRobot_instance;
  }

  public static List<Character> stringAsCharacterList(final String s) {
    if (s == null)
      return null;
    return new RandomAccessAbstractList<Character>() {

      public final int l = l(s);

      public int size() {
        return l;
      }

      public Character get(int i) {
        return s.charAt(i);
      }
    };
  }

  public static boolean isAWTThread() {
    if (isAndroid())
      return false;
    if (isHeadless())
      return false;
    return isAWTThread_awt();
  }

  public static boolean isAWTThread_awt() {
    return SwingUtilities.isEventDispatchThread();
  }

  public static Object sleepQuietly_monitor = new Object();

  public static void sleepQuietly() {
    try {
      assertFalse(isAWTThread());
      synchronized (sleepQuietly_monitor) {
        sleepQuietly_monitor.wait();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String getType(Object o) {
    return getClassName(o);
  }

  public static long getFileSize(String path) {
    return path == null ? 0 : new File(path).length();
  }

  public static long getFileSize(File f) {
    return f == null ? 0 : f.length();
  }

  public static Throwable getExceptionCause(Throwable e) {
    Throwable c = e.getCause();
    return c != null ? c : e;
  }

  public static boolean methodIsStatic(Method m) {
    return (m.getModifiers() & Modifier.STATIC) != 0;
  }

  public static boolean argumentCompatibleWithType(Object arg, Class type) {
    return arg == null ? !type.isPrimitive() : isInstanceX(type, arg);
  }

  public static void arraycopy(Object[] a, Object[] b) {
    if (a != null && b != null)
      arraycopy(a, 0, b, 0, min(a.length, b.length));
  }

  public static void arraycopy(Object src, int srcPos, Object dest, int destPos, int n) {
    if (n != 0)
      System.arraycopy(src, srcPos, dest, destPos, n);
  }

  public static <A> A[] arrayOfType(Class<A> type, int n) {
    return makeArray(type, n);
  }

  public static <A> A[] arrayOfType(int n, Class<A> type) {
    return arrayOfType(type, n);
  }

  public static <A> String join(String glue, Iterable<A> strings) {
    if (strings == null)
      return "";
    if (strings instanceof Collection) {
      if (((Collection) strings).size() == 1)
        return str(first(((Collection) strings)));
    }
    StringBuilder buf = new StringBuilder();
    Iterator<A> i = strings.iterator();
    if (i.hasNext()) {
      buf.append(i.next());
      while (i.hasNext()) buf.append(glue).append(i.next());
    }
    return buf.toString();
  }

  public static String join(String glue, String... strings) {
    return join(glue, Arrays.asList(strings));
  }

  public static <A> String join(Iterable<A> strings) {
    return join("", strings);
  }

  public static <A> String join(Iterable<A> strings, String glue) {
    return join(glue, strings);
  }

  public static String join(String[] strings) {
    return join("", strings);
  }

  public static String join(String glue, Pair p) {
    return p == null ? "" : str(p.a) + glue + str(p.b);
  }

  public static String str(Object o) {
    return o == null ? "null" : o.toString();
  }

  public static String str(char[] c) {
    return new String(c);
  }

  public static List<String> getClassNames(Collection l) {
    List<String> out = new ArrayList();
    if (l != null)
      for (Object o : l) out.add(o == null ? null : getClassName(o));
    return out;
  }

  public static ThreadLocal<List<Object>> holdInstance_l = new ThreadLocal();

  public static AutoCloseable holdInstance(Object o) {
    if (o == null)
      return null;
    listThreadLocalAdd(holdInstance_l, o);
    return new AutoCloseable() {

      public void close() {
        listThreadLocalPopLast(holdInstance_l);
      }
    };
  }

  public static boolean isSnippetID(String s) {
    try {
      parseSnippetID(s);
      return true;
    } catch (RuntimeException e) {
      return false;
    }
  }

  public static long parseSnippetID(String snippetID) {
    long id = Long.parseLong(shortenSnippetID(snippetID));
    if (id == 0)
      throw fail("0 is not a snippet ID");
    return id;
  }

  public static void failIfUnlicensed() {
    assertTrue("license off", licensed());
  }

  public static Thread currentThread() {
    return Thread.currentThread();
  }

  public static <A> A setThreadLocal(ThreadLocal<A> tl, A value) {
    if (tl == null)
      return null;
    A old = tl.get();
    tl.set(value);
    return old;
  }

  public static <A extends Component> A _recordNewSwingComponent(A c) {
    if (c != null)
      callF((Object) vm_generalMap_get("newSwingComponentRegistry"), (Object) c);
    return c;
  }

  public static JComponent componentToJComponent(Component c) {
    if (c instanceof JComponent)
      return (JComponent) c;
    if (c instanceof JFrame)
      return ((JFrame) c).getRootPane();
    if (c == null)
      return null;
    throw fail("boohoo " + getClassName(c));
  }

  public static JScrollPane jscroll(final Component c) {
    return swing(new F0<JScrollPane>() {

      public JScrollPane get() {
        try {
          return new JScrollPane(c);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret new JScrollPane(c);";
      }
    });
  }

  public static JLabel jlabel(final String text) {
    return swingConstruct(BetterLabel.class, text);
  }

  public static JLabel jlabel() {
    return jlabel(" ");
  }

  public static boolean newButton_autoToolTip = true;

  public static JButton newButton(final String text, final Object action) {
    return swing(new F0<JButton>() {

      public JButton get() {
        try {
          String text2 = dropPrefix("[disabled] ", text);
          final JButton btn = new JButton(text2);
          if (l(text2) < l(text))
            btn.setEnabled(false);
          if (newButton_autoToolTip) {
            btn.setToolTipText(btn.getText());
          }
          if (action != null)
            btn.addActionListener(actionListener(action, btn));
          return btn;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "S text2 = dropPrefix(\"[disabled] \", text);\r\n    final JButton btn = new JButt...";
      }
    });
  }

  public static <A> A swingNu(final Class<A> c, final Object... args) {
    return swingConstruct(c, args);
  }

  public static JPanel jFullCenter(final Component c) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel panel = new JPanel(new GridBagLayout());
          panel.add(c);
          return panel;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel panel = new JPanel(new GridBagLayout);\r\n    panel.add(c);\r\n    ret panel;";
      }
    });
  }

  public static int hstackWithSpacing_spacing = 10;

  public static JPanel hstackWithSpacing(Object... parts) {
    parts = flattenArray2(parts);
    int spacing = hstackWithSpacing_spacing;
    int i = 0;
    if (first(parts) instanceof Integer) {
      spacing = toInt(first(parts));
      ++i;
    }
    JPanel panel = new JPanel(new GridBagLayout());
    GridBagConstraints gbc = new GridBagConstraints();
    gbc.weighty = 1;
    gbc.fill = GridBagConstraints.VERTICAL;
    gbc.gridheight = GridBagConstraints.REMAINDER;
    for (; i < l(parts); i++) {
      if (i != 0)
        panel.add(javax.swing.Box.createRigidArea(new Dimension(spacing, 0)), gbc);
      panel.add(wrapForSmartAdd(parts[i]), gbc);
    }
    gbc.weightx = 1;
    panel.add(jrigid(), gbc);
    return panel;
  }

  public static Object[] asArray(List l) {
    return toObjectArray(l);
  }

  public static <A> A[] asArray(Class<A> type, List l) {
    return (A[]) l.toArray((Object[]) Array.newInstance(type, l.size()));
  }

  public static String nullIfEmpty(String s) {
    return isEmpty(s) ? null : s;
  }

  public static <A, B> Map<A, B> nullIfEmpty(Map<A, B> map) {
    return isEmpty(map) ? null : map;
  }

  public static <A> List<A> nullIfEmpty(List<A> l) {
    return isEmpty(l) ? null : l;
  }

  public static String charToString(char c) {
    return String.valueOf(c);
  }

  public static String charToString(int c) {
    return String.valueOf((char) c);
  }

  public static boolean isMenuSeparatorIndicator(Object o) {
    return eqOneOf(o, "***", "---", "===", "");
  }

  public static boolean isRunnableX(Object o) {
    if (o == null)
      return false;
    if (o instanceof String)
      return hasMethod(mc(), (String) o);
    return o instanceof Runnable || hasMethod(o, "get");
  }

  public static boolean jmenuItem_newThreads = false;

  public static JMenuItem jmenuItem(final String text) {
    return jMenuItem(text, null);
  }

  public static JMenuItem jmenuItem(final String text, final Object r) {
    return swing(new F0<JMenuItem>() {

      public JMenuItem get() {
        try {
          Pair<String, Integer> p = jmenu_autoMnemonic(dropPrefix("[disabled] ", text));
          JMenuItem mi = new JMenuItem(p.a);
          if (startsWith(text, "[disabled] "))
            disableMenuItem(mi);
          if (p.b != 0)
            mi.setMnemonic(p.b);
          mi.addActionListener(jmenuItem_newThreads ? actionListenerInNewThread(r) : actionListener(r));
          return mi;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Pair<S, Int> p = jmenu_autoMnemonic(dropPrefix(\"[disabled] \", text));\r\n    JM...";
      }
    });
  }

  public static <A extends JComponent> A bindLiveValueListenerToComponent(A component, final LiveValue lv, final Runnable listener) {
    if (lv != null)
      bindToComponent(component, new Runnable() {

        public void run() {
          try {
            lv.onChangeAndNow(listener);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "ifdef bindLiveValueListenerToComponent_debug\r\n          print(\"bindLiveValueL...";
        }
      }, new Runnable() {

        public void run() {
          try {
            lv.removeOnChangeListener(listener);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "lv.removeOnChangeListener(listener)";
        }
      });
    return component;
  }

  public static boolean isCurlyBracketed(String s) {
    return isCurlyBraced(s);
  }

  public static <A extends JComponent> A setEnabled(A c, boolean enable) {
    if (c != null) {
      swing(new Runnable() {

        public void run() {
          try {
            c.setEnabled(enable);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "c.setEnabled(enable);";
        }
      });
    }
    return c;
  }

  public static <A extends JComponent> A setEnabled(boolean enable, A c) {
    return setEnabled(c, enable);
  }

  public static String unCurlyBracket(String s) {
    return tok_unCurlyBracket(s);
  }

  public static boolean setText_opt = true;

  public static <A extends JTextComponent> A setText(A c, Object text) {
    setText((JComponent) c, text);
    return c;
  }

  public static <A extends JComboBox> A setText(final A c, Object text) {
    final String s = strUnnull(text);
    {
      swing(new Runnable() {

        public void run() {
          try {
            c.getEditor().setItem(s);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "c.getEditor().setItem(s);";
        }
      });
    }
    return c;
  }

  public static void setText(JLabel c, Object text) {
    setText((JComponent) c, text);
  }

  public static JButton setText(JButton c, Object text) {
    setText((JComponent) c, jlabel_textAsHTML_center_ifNeeded(strUnnull(text)));
    return c;
  }

  public static <A extends JComponent> A setText(final A c, Object text) {
    if (c == null)
      return null;
    final String s = strUnnull(text);
    {
      swing(new Runnable() {

        public void run() {
          try {
            if (!setText_opt || neq(callOpt(c, "getText"), s))
              call(c, "setText", s);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "if (!setText_opt || neq(callOpt(c, \"getText\"), s))\r\n      call(c, \"setText\", s);";
        }
      });
    }
    return c;
  }

  public static <A, B> Map<A, B> mapMinus(Map<A, B> map, Object... keys) {
    if (empty(keys))
      return map;
    Map<A, B> m2 = cloneMap(map);
    for (Object key : keys) m2.remove(key);
    return m2;
  }

  public static <A> HashSet<A> lithashset(A... items) {
    HashSet<A> set = new HashSet();
    for (A a : items) set.add(a);
    return set;
  }

  public static Object[] toObjectArray(Collection c) {
    List l = asList(c);
    return l.toArray(new Object[l.size()]);
  }

  public static boolean isInstanceOf(Object o, Class type) {
    return type.isInstance(o);
  }

  public static String className(Object o) {
    return getClassName(o);
  }

  public static int preferredWidth(Component c) {
    return c == null ? 0 : getPreferredSize(c).width;
  }

  public static Runnable addThreadInfoToRunnable(final Object r) {
    final Object info = _threadInfo();
    return info == null ? asRunnable(r) : new Runnable() {

      public void run() {
        try {
          _inheritThreadInfo(info);
          callF(r);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "_inheritThreadInfo(info); callF(r);";
      }
    };
  }

  public static JPanel centerAndEast(final Component c, final Component e) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel panel = new JPanel(new BorderLayout());
          panel.add(BorderLayout.CENTER, wrap(c));
          panel.add(BorderLayout.EAST, wrap(e));
          return panel;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel panel = new JPanel(new BorderLayout);\r\n    panel.add(BorderLayout.CENT...";
      }
    });
  }

  public static int withLeftMargin_defaultWidth = 6;

  public static JPanel withLeftMargin(Component c) {
    return withLeftMargin(withLeftMargin_defaultWidth, c);
  }

  public static JPanel withLeftMargin(final int margin, final Component c) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel p = new JPanel(new BorderLayout());
          p.setBorder(BorderFactory.createEmptyBorder(0, margin, 0, 0));
          p.add(c);
          return p;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel p = new JPanel(new BorderLayout);\r\n    p.setBorder(BorderFactory.creat...";
      }
    });
  }

  public static JTextField jLiveValueTextField_bothWays(final SimpleLiveValue<String> lv) {
    final JTextField ta = jTextField();
    bindTextComponentToLiveValue_bothWays(ta, lv);
    return ta;
  }

  public static SimpleLiveValue dm_fieldLiveValue(String fieldName) {
    return dm_fieldLiveValue(dm_current_mandatory(), fieldName);
  }

  public static SimpleLiveValue dm_fieldLiveValue(final DynModule module, final String fieldName) {
    Lock __1007 = module.lock;
    lock(__1007);
    try {
      Class type = getFieldType(module, fieldName);
      final SimpleLiveValue value = new SimpleLiveValue(type, get(module, fieldName));
      module.onChange(new Runnable() {

        public void run() {
          try {
            Object o = get(module, fieldName);
            value.set(o);
            ;
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "ifdef dm_fieldLiveValue_debug\r\n      print(\"dm_fieldLiveValue: setting \" + fi...";
        }
      });
      value.onChange(new Runnable() {

        public void run() {
          try {
            module.setField(fieldName, value.get());
            ;
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "ifdef dm_fieldLiveValue_debug\r\n      print(\"dm_fieldLiveValue: setting 2 \" + ...";
        }
      });
      return value;
    } finally {
      unlock(__1007);
    }
  }

  public static String dropPrefix(String prefix, String s) {
    return s == null ? null : s.startsWith(prefix) ? s.substring(l(prefix)) : s;
  }

  public static ActionListener actionListenerInNewThread(final Object runnable) {
    return actionListenerInNewThread(runnable, null);
  }

  public static ActionListener actionListenerInNewThread(final Object runnable, final Object instanceToHold) {
    if (runnable instanceof ActionListener)
      return (ActionListener) runnable;
    return new java.awt.event.ActionListener() {

      public void actionPerformed(java.awt.event.ActionEvent _evt) {
        try {
          startThread("Action Listener", new Runnable() {

            public void run() {
              try {
                AutoCloseable __660 = holdInstance(instanceToHold);
                try {
                  callF(runnable);
                } finally {
                  _close(__660);
                }
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "AutoCloseable __660 = holdInstance(instanceToHold); try {\r\n      callF(runnab...";
            }
          });
        } catch (Throwable __e) {
          messageBox(__e);
        }
      }
    };
  }

  public static AutoCloseable dm_enter(Object mod) {
    return (AutoCloseable) callOpt(dm_getModule(mod), "enter");
  }

  public static volatile PersistableThrowable _handleException_lastException;

  public static List _handleException_onException = synchroList(ll("printStackTrace2"));

  public static void _handleException(Throwable e) {
    _handleException_lastException = persistableThrowable(e);
    Throwable e2 = innerException(e);
    if (e2.getClass() == RuntimeException.class && eq(e2.getMessage(), "Thread cancelled.") || e2 instanceof InterruptedException)
      return;
    for (Object f : cloneList(_handleException_onException)) try {
      callF(f, e);
    } catch (Throwable e3) {
      printStackTrace2(e3);
    }
  }

  public static <A> WeakReference<A> newWeakReference(A a) {
    return a == null ? null : new WeakReference(a);
  }

  public static boolean isString(Object o) {
    return o instanceof String;
  }

  public static boolean isIdentifier(String s) {
    return isJavaIdentifier(s);
  }

  public static Object dm_getService(String serviceName) {
    return empty(serviceName) ? null : dm_getModule(vmBus_query(assertIdentifier(serviceName)));
  }

  public static boolean isStringOrIntOrLong(Object o) {
    return o instanceof String || o instanceof Integer || o instanceof Long;
  }

  public static Object dm_callOS(String functionName, Object... args) {
    return call(dm_os(), functionName, args);
  }

  public static Object dm_resolveModule(Object moduleOrStem) {
    return dm_callOS("resolveModule", moduleOrStem);
  }

  public static String dm_makeModule(String moduleLibID) {
    return (String) dm_callOS("makeModule", moduleLibID);
  }

  public static List<Pair<String, String>> agiBlue_lookupMultipleKeys(String sliceID, String q, Collection<String> keys) {
    return map((List<Map<String, String>>) agiBlue_loadBotPage("lookupMultipleKeys", paramsPlus_noOverwrite(paramsWithSameKey("key", keys), "slice", sliceID, "q", q)), map -> pair(map.get("key"), map.get("value")));
  }

  public static String agiBlue_imageSegmentationSlice() {
    return "lgobeactljkewwtz";
  }

  public static Set<String> nonTransientNonStaticFieldNames(Object o) {
    return allNonStaticNonTransientFields(o);
  }

  public static <A, B> A pairA(Pair<A, B> p) {
    return p == null ? null : p.a;
  }

  public static <A, B> B pairB(Pair<A, B> p) {
    return p == null ? null : p.b;
  }

  public static <A> A set(A o, String field, Object value) {
    if (o == null)
      return null;
    if (o instanceof Class)
      set((Class) o, field, value);
    else
      try {
        Field f = set_findField(o.getClass(), field);
        makeAccessible(f);
        smartSet(f, o, value);
      } catch (Exception e) {
        throw new RuntimeException(e);
      }
    return o;
  }

  public static void set(Class c, String field, Object value) {
    if (c == null)
      return;
    try {
      Field f = set_findStaticField(c, field);
      makeAccessible(f);
      smartSet(f, null, value);
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }

  public static Field set_findStaticField(Class<?> c, String field) {
    Class _c = c;
    do {
      for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
        return f;
      _c = _c.getSuperclass();
    } while (_c != null);
    throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
  }

  public static Field set_findField(Class<?> c, String field) {
    Class _c = c;
    do {
      for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field))
        return f;
      _c = _c.getSuperclass();
    } while (_c != null);
    throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
  }

  public static Object safeUnstructureAllowingCertainClasses_plusUtils(String s, String... allowedClasses) {
    Set<String> allowedClassesSet = new HashSet();
    for (String name : unnull(allowedClasses)) {
      allowedClassesSet.add("main$" + name);
      allowedClassesSet.add("loadableUtils.utils$" + name);
    }
    Object classFinder = new F1<String, Object>() {

      public Object get(String name) {
        try {
          if (!allowedClassesSet.contains(name))
            throw fail("Class not allowed to unstructure: " + name);
          return classForName(name);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "if (!allowedClassesSet.contains(name)) fail(\"Class not allowed to unstructure...";
      }
    };
    return unstructure(s, false, classFinder);
  }

  public static <A extends AutoCloseable> A dm_ownResource(A resource) {
    dm_currentModuleMandatory().ownResource(resource);
    return resource;
  }

  public static <A> AutoCloseable vmBus_onMessage(final String msg, final VF1<A> onMessage) {
    Map<String, Set> map = vm_busListenersByMessage_live();
    synchronized (map) {
      Set listeners = map.get(msg);
      if (listeners == null)
        map.put(msg, listeners = syncIdentityHashSet());
      return tempAdd(listeners, new VF2<String, Object>() {

        public void get(String _msg, Object arg) {
          try {
            callF(onMessage, arg);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "callF(onMessage, arg)";
        }
      });
    }
  }

  public static <A, B> AutoCloseable vmBus_onMessage(String msg, final VF2<A, B> onMessage) {
    return vmBus_onMessage(msg, new VF1<Object[]>() {

      public void get(Object[] o) {
        try {
          callF(onMessage, first(o), second(o));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "callF(onMessage, first(o), second(o));";
      }
    });
  }

  public static AutoCloseable vmBus_onMessage(String msg, Runnable onMessage) {
    return vmBus_onMessage(msg, runnableToVF1(onMessage));
  }

  public static Object collectionMutex(List l) {
    return l;
  }

  public static Object collectionMutex(Object o) {
    if (o instanceof List)
      return o;
    String c = className(o);
    if (eq(c, "java.util.TreeMap$KeySet"))
      c = className(o = getOpt(o, "m"));
    else if (eq(c, "java.util.HashMap$KeySet"))
      c = className(o = get_raw(o, "this$0"));
    if (eqOneOf(c, "java.util.TreeMap$AscendingSubMap", "java.util.TreeMap$DescendingSubMap"))
      c = className(o = get_raw(o, "m"));
    return o;
  }

  public static int cmp(Number a, Number b) {
    return a == null ? b == null ? 0 : -1 : cmp(a.doubleValue(), b.doubleValue());
  }

  public static int cmp(double a, double b) {
    return a < b ? -1 : a == b ? 0 : 1;
  }

  public static int cmp(Object a, Object b) {
    if (a == null)
      return b == null ? 0 : -1;
    if (b == null)
      return 1;
    return ((Comparable) a).compareTo(b);
  }

  public static boolean startsWithOneOf(String s, String... l) {
    for (String x : l) if (startsWith(s, x))
      return true;
    return false;
  }

  public static boolean isAGIBlueDomain(String domain) {
    return domainIsUnder(domain, theAGIBlueDomain());
  }

  public static String hostNameFromURL(String url) {
    try {
      return new URL(url).getHost();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void logQuotedWithTime(String s) {
    logQuotedWithTime(standardLogFile(), s);
  }

  public static void logQuotedWithTime(File logFile, String s) {
    logQuoted(logFile, logQuotedWithTime_format(s));
  }

  public static void logQuotedWithTime(String logFile, String s) {
    logQuoted(logFile, logQuotedWithTime_format(s));
  }

  public static String logQuotedWithTime_format(String s) {
    return (now()) + " " + s;
  }

  public static File javaxDataDir_dir;

  public static File javaxDataDir() {
    return javaxDataDir_dir != null ? javaxDataDir_dir : new File(userHome(), "JavaX-Data");
  }

  public static File javaxDataDir(String... subs) {
    return newFile(javaxDataDir(), subs);
  }

  public static JTextArea wrappedTextArea(final JTextArea ta) {
    enableWordWrapForTextArea(ta);
    return ta;
  }

  public static JTextArea wrappedTextArea() {
    return wrappedTextArea(jtextarea());
  }

  public static JTextArea wrappedTextArea(String text) {
    JTextArea ta = wrappedTextArea();
    setText(ta, text);
    return ta;
  }

  public static <A extends JComponent> A onClick(final A c, final Object runnable) {
    if (c != null) {
      swing(new Runnable() {

        public void run() {
          try {
            c.addMouseListener(new MouseAdapter() {

              public void mouseClicked(MouseEvent e) {
                callF(runnable, e);
              }
            });
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "c.addMouseListener(new MouseAdapter {\r\n      public void mouseClicked(MouseEv...";
        }
      });
    }
    return c;
  }

  public static void onClick(JButton btn, final Object runnable) {
    onEnter(btn, runnable);
  }

  public static void disposeWindow(final Window window) {
    if (window != null) {
      swing(new Runnable() {

        public void run() {
          try {
            window.dispatchEvent(new WindowEvent(window, WindowEvent.WINDOW_CLOSING));
            myFrames_list.remove(window);
            window.dispose();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "window.dispatchEvent(new WindowEvent(window, WindowEvent.WINDOW_CLOSING)); //...";
        }
      });
    }
  }

  public static void disposeWindow(final Component c) {
    disposeWindow(getWindow(c));
  }

  public static void disposeWindow(Object o) {
    if (o != null)
      disposeWindow(((Component) o));
  }

  public static void disposeWindow() {
    disposeWindow(heldInstance(Component.class));
  }

  public static Font typeWriterFont() {
    return typeWriterFont(iround(14 * getSwingFontScale()));
  }

  public static Font typeWriterFont(int size) {
    return new Font("Courier", Font.PLAIN, size);
  }

  public static Window getWindow(Object o) {
    if (!(o instanceof Component))
      return null;
    Component c = (Component) o;
    while (c != null) {
      if (c instanceof Window)
        return (Window) c;
      c = c.getParent();
    }
    return null;
  }

  public static Dimension getScreenSize() {
    return Toolkit.getDefaultToolkit().getScreenSize();
  }

  public static void swingLater(long delay, final Object r) {
    javax.swing.Timer timer = new javax.swing.Timer(toInt(delay), actionListener(wrapAsActivity(r)));
    timer.setRepeats(false);
    timer.start();
  }

  public static void swingLater(Object r) {
    SwingUtilities.invokeLater(toRunnable(r));
  }

  public static int toMS_int(double seconds) {
    return toInt_checked((long) (seconds * 1000));
  }

  public static double toDouble(Object o) {
    if (o instanceof Number)
      return ((Number) o).doubleValue();
    if (o instanceof BigInteger)
      return ((BigInteger) o).doubleValue();
    if (o == null)
      return 0.0;
    throw fail(o);
  }

  public static String getStackTrace(Throwable throwable) {
    lastException(throwable);
    return getStackTrace_noRecord(throwable);
  }

  public static String getStackTrace_noRecord(Throwable throwable) {
    StringWriter writer = new StringWriter();
    throwable.printStackTrace(new PrintWriter(writer));
    return hideCredentials(writer.toString());
  }

  public static String getStackTrace() {
    return getStackTrace_noRecord(new Throwable());
  }

  public static volatile PersistableThrowable lastException_lastException;

  public static PersistableThrowable lastException() {
    return lastException_lastException;
  }

  public static void lastException(Throwable e) {
    lastException_lastException = persistableThrowable(e);
  }

  public static Throwable getInnerException(Throwable e) {
    if (e == null)
      return null;
    while (e.getCause() != null) e = e.getCause();
    return e;
  }

  public static Throwable getInnerException(Runnable r) {
    return getInnerException(getException(r));
  }

  public static String unnull(String s) {
    return s == null ? "" : s;
  }

  public static <A> Collection<A> unnull(Collection<A> l) {
    return l == null ? emptyList() : l;
  }

  public static <A> List<A> unnull(List<A> l) {
    return l == null ? emptyList() : l;
  }

  public static <A, B> Map<A, B> unnull(Map<A, B> l) {
    return l == null ? emptyMap() : l;
  }

  public static <A> Iterable<A> unnull(Iterable<A> i) {
    return i == null ? emptyList() : i;
  }

  public static <A> A[] unnull(A[] a) {
    return a == null ? (A[]) new Object[0] : a;
  }

  public static BitSet unnull(BitSet b) {
    return b == null ? new BitSet() : b;
  }

  public static Pt unnull(Pt p) {
    return p == null ? new Pt() : p;
  }

  public static <A, B> Pair<A, B> unnull(Pair<A, B> p) {
    return p != null ? p : new Pair(null, null);
  }

  public static String baseClassName(String className) {
    return substring(className, className.lastIndexOf('.') + 1);
  }

  public static String baseClassName(Object o) {
    return baseClassName(getClassName(o));
  }

  public static String prependIfNempty(String prefix, String s) {
    return empty(s) ? s : prefix + s;
  }

  public static Object pcallF(Object f, Object... args) {
    return pcallFunction(f, args);
  }

  public static <A> A pcallF(F0<A> f) {
    try {
      return f == null ? null : f.get();
    } catch (Throwable __e) {
      return null;
    }
  }

  public static <A, B> B pcallF(F1<A, B> f, A a) {
    try {
      return f == null ? null : f.get(a);
    } catch (Throwable __e) {
      return null;
    }
  }

  public static <A> void pcallF(VF1<A> f, A a) {
    try {
      if (f != null)
        f.get(a);
    } catch (Throwable __e) {
      _handleException(__e);
    }
  }

  public static void close_pcall(AutoCloseable c) {
    if (c != null) {
      try {
        c.close();
      } catch (Throwable __e) {
        _handleException(__e);
      }
    }
  }

  public static <A, B> Set<A> keys(Map<A, B> map) {
    return map == null ? new HashSet() : map.keySet();
  }

  public static Set keys(Object map) {
    return keys((Map) map);
  }

  public static <A> Set<A> keys(MultiSet<A> ms) {
    return ms.keySet();
  }

  public static <A, B> Collection<B> values(Map<A, B> map) {
    return map == null ? emptyList() : map.values();
  }

  public static void preCleanUp(Object c) {
    if (c instanceof Collection) {
      for (Object o : ((Collection) c)) preCleanUp(o);
      return;
    }
    callOpt(c, "licensed_off");
    setOpt(c, "ping_anyActions", true);
    setOpt(c, "cleaningUp_flag", true);
  }

  public static void innerCleanUp(Object c) {
    if (!isFalse(pcallOpt(c, "cleanMeUp")))
      for (String name : sorted(methodsStartingWith(c, "cleanMeUp_"))) try {
        callOpt(c, name);
      } catch (Throwable e) {
        print("Error cleaning up: " + programID(c));
        _handleException(e);
      }
  }

  public static void innerCleanUp() {
    innerCleanUp(mc());
  }

  public static Object pcallOpt(Object o, String method, Object... args) {
    try {
      return callOpt(o, method, args);
    } catch (Throwable __e) {
      _handleException(__e);
    }
    return null;
  }

  public static List<Thread> registeredThreads(Object o) {
    Map<Thread, Boolean> map = (Map<Thread, Boolean>) (getOpt(o, "_registerThread_threads"));
    if (map == null)
      return ll();
    map.size();
    synchronized (map) {
      return asList(keys(map));
    }
  }

  public static List<Thread> registeredThreads() {
    _registerThread_threads.size();
    return asList(keys(_registerThread_threads));
  }

  public static String n2(long l) {
    return formatWithThousands(l);
  }

  public static String n2(Collection l) {
    return n2(l(l));
  }

  public static String n2(double l, String singular) {
    return n2(l, singular, singular + "s");
  }

  public static String n2(double l, String singular, String plural) {
    if (fraction(l) == 0)
      return n2((long) l, singular, plural);
    else
      return l + " " + plural;
  }

  public static String n2(long l, String singular, String plural) {
    return n_fancy2(l, singular, plural);
  }

  public static String n2(long l, String singular) {
    return n_fancy2(l, singular, singular + "s");
  }

  public static String n2(Collection l, String singular) {
    return n2(l(l), singular);
  }

  public static String n2(Collection l, String singular, String plural) {
    return n_fancy2(l, singular, plural);
  }

  public static String n2(Map m, String singular, String plural) {
    return n_fancy2(m, singular, plural);
  }

  public static String n2(Map m, String singular) {
    return n2(l(m), singular);
  }

  public static String n2(Object[] a, String singular) {
    return n2(l(a), singular);
  }

  public static String n2(Object[] a, String singular, String plural) {
    return n_fancy2(a, singular, plural);
  }

  public static String n2(MultiSet ms, String singular, String plural) {
    return n_fancy2(ms, singular, plural);
  }

  public static List<String> allToString(Iterable c) {
    List<String> l = new ArrayList();
    for (Object o : unnull(c)) l.add(str(o));
    return l;
  }

  public static List<String> allToString(Object[] c) {
    List<String> l = new ArrayList();
    for (Object o : unnull(c)) l.add(str(o));
    return l;
  }

  public static void interruptThreads(Collection<Thread> threads) {
    for (Thread t : unnull(threads)) t.interrupt();
  }

  public static void interruptThreads(Class mainClass) {
    interruptThreads(registeredThreads(mainClass));
  }

  public static void retireClassLoader(ClassLoader cl) {
    if (isJavaXClassLoader(cl))
      setOptAll(cl, "retired", true, "retiredMarker", new DefunctClassLoader());
  }

  public static <A> A[] newObjectArrayOfSameType(A[] a, int n) {
    return (A[]) Array.newInstance(a.getClass().getComponentType(), n);
  }

  public static String loadableUtilsClassNameToMain(String className) {
    String c = dropPrefixOrNull("loadableUtils.utils$", className);
    if (c != null)
      return "main$" + c;
    return className;
  }

  public static boolean isAnonymousClassName(String s) {
    for (int i = 0; i < l(s); i++) if (s.charAt(i) == '$' && Character.isDigit(s.charAt(i + 1)))
      return true;
    return false;
  }

  public static Class getClass_vmName_withLoadableUtils(Object realm, String name) {
    try {
      ClassLoader cl = getClassLoader(realm);
      Class c = loadClassFromClassLoader_orNull(cl, name);
      if (c == null && name.startsWith("main$"))
        return loadClassFromClassLoader_orNull(cl, "loadableUtils.utils" + substring(name, 4));
      return c;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Map<Class, Constructor> nuObjectWithoutArguments_cache = newDangerousWeakHashMap();

  public static Object nuObjectWithoutArguments(String className) {
    try {
      return nuObjectWithoutArguments(classForName(className));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> A nuObjectWithoutArguments(Class<A> c) {
    try {
      if (nuObjectWithoutArguments_cache == null)
        return (A) nuObjectWithoutArguments_findConstructor(c).newInstance();
      Constructor m = nuObjectWithoutArguments_cache.get(c);
      if (m == null)
        nuObjectWithoutArguments_cache.put(c, m = nuObjectWithoutArguments_findConstructor(c));
      return (A) m.newInstance();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Constructor nuObjectWithoutArguments_findConstructor(Class c) {
    for (Constructor m : c.getDeclaredConstructors()) if (empty(m.getParameterTypes())) {
      makeAccessible(m);
      return m;
    }
    throw fail("No default constructor found in " + c.getName());
  }

  public static boolean containsSpaces(String s) {
    return indexOf(s, ' ') >= 0;
  }

  public static List map(Iterable l, Object f) {
    return map(f, l);
  }

  public static List map(Object f, Iterable l) {
    List x = emptyList(l);
    if (l != null)
      for (Object o : l) x.add(callF(f, o));
    return x;
  }

  public static <A, B> List<B> map(Iterable<A> l, F1<A, B> f) {
    return map(f, l);
  }

  public static <A, B> List<B> map(F1<A, B> f, Iterable<A> l) {
    List x = emptyList(l);
    if (l != null)
      for (A o : l) x.add(callF(f, o));
    return x;
  }

  public static <A, B> List<B> map(IF1<A, B> f, Iterable<A> l) {
    return map(l, f);
  }

  public static <A, B> List<B> map(Iterable<A> l, IF1<A, B> f) {
    List x = emptyList(l);
    if (l != null)
      for (A o : l) x.add(f.get(o));
    return x;
  }

  public static <A, B> List<B> map(IF1<A, B> f, A[] l) {
    return map(l, f);
  }

  public static <A, B> List<B> map(A[] l, IF1<A, B> f) {
    List x = emptyList(l);
    if (l != null)
      for (A o : l) x.add(f.get(o));
    return x;
  }

  public static List map(Object f, Object[] l) {
    return map(f, asList(l));
  }

  public static List map(Object[] l, Object f) {
    return map(f, l);
  }

  public static List map(Object f, Map map) {
    return map(map, f);
  }

  public static List map(Map map, Object f) {
    List x = new ArrayList();
    if (map != null)
      for (Object _e : map.entrySet()) {
        Map.Entry e = (Map.Entry) _e;
        x.add(callF(f, e.getKey(), e.getValue()));
      }
    return x;
  }

  public static <A, B, C> List<C> map(Map<A, B> map, IF2<A, B, C> f) {
    return map(map, (Object) f);
  }

  public static <A> A getOrKeep(Map<A, ? extends A> map, A a) {
    if (map == null)
      return a;
    A v = map.get(a);
    return v != null ? v : a;
  }

  public static List<String> ai_splitCamelCase(String s) {
    int j = 0;
    List<String> l = new ArrayList();
    if (isAllUpperCase(s)) {
      l.add(s);
      return l;
    }
    for (int i = 0; i < l(s); i++) if (isUpperCaseLetter(s.charAt(i)) && i > j) {
      l.add(substring(s, j, i));
      j = i;
    }
    if (j < l(s))
      l.add(substring(s, j));
    return l;
  }

  public static <A, B> B mapGet(Map<A, B> map, A a) {
    return map == null || a == null ? null : map.get(a);
  }

  public static <A, B> B mapGet(A a, Map<A, B> map) {
    return map == null || a == null ? null : map.get(a);
  }

  public static boolean even(int i) {
    return (i & 1) == 0;
  }

  public static boolean even(long i) {
    return (i & 1) == 0;
  }

  public static Point getMouseLocation() {
    return MouseInfo.getPointerInfo().getLocation();
  }

  public static void moveMouseTo(int newx, int newy) {
    moveMouse(newx, newy);
  }

  public static void moveMouseTo(Pt pt) {
    moveMouse(pt.x, pt.y);
  }

  public static void moveMouseTo(Rect r) {
    moveMouseTo(centerOfRect(r));
  }

  public static int mouseClick_delay = 100;

  public static void mouseClick(Rect r) {
    mouseClick(centerOfRect(r));
  }

  public static void mouseClick(Pt p) {
    mouseClick(p.x, p.y);
  }

  public static void mouseClick(int x, int y) {
    try {
      final Robot robot = new Robot();
      robot.mouseMove(x, y);
      mouseClick();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void mouseClick() {
    try {
      final Robot robot = new Robot();
      final int button = InputEvent.BUTTON1_DOWN_MASK;
      robot.mousePress(button);
      sleep(mouseClick_delay);
      robot.mouseRelease(button);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void assertFalse(Object o) {
    if (!(eq(o, false)))
      throw fail(str(o));
  }

  public static boolean assertFalse(boolean b) {
    if (b)
      throw fail("oops");
    return b;
  }

  public static boolean assertFalse(String msg, boolean b) {
    if (b)
      throw fail(msg);
    return b;
  }

  public static String getClassName(Object o) {
    return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName();
  }

  public static boolean isInstanceX(Class type, Object arg) {
    if (type == boolean.class)
      return arg instanceof Boolean;
    if (type == int.class)
      return arg instanceof Integer;
    if (type == long.class)
      return arg instanceof Long;
    if (type == float.class)
      return arg instanceof Float;
    if (type == short.class)
      return arg instanceof Short;
    if (type == char.class)
      return arg instanceof Character;
    if (type == byte.class)
      return arg instanceof Byte;
    if (type == double.class)
      return arg instanceof Double;
    return type.isInstance(arg);
  }

  public static int min(int a, int b) {
    return Math.min(a, b);
  }

  public static long min(long a, long b) {
    return Math.min(a, b);
  }

  public static float min(float a, float b) {
    return Math.min(a, b);
  }

  public static float min(float a, float b, float c) {
    return min(min(a, b), c);
  }

  public static double min(double a, double b) {
    return Math.min(a, b);
  }

  public static double min(double[] c) {
    double x = Double.MAX_VALUE;
    for (double d : c) x = Math.min(x, d);
    return x;
  }

  public static float min(float[] c) {
    float x = Float.MAX_VALUE;
    for (float d : c) x = Math.min(x, d);
    return x;
  }

  public static byte min(byte[] c) {
    byte x = 127;
    for (byte d : c) if (d < x)
      x = d;
    return x;
  }

  public static short min(short[] c) {
    short x = 0x7FFF;
    for (short d : c) if (d < x)
      x = d;
    return x;
  }

  public static int min(int[] c) {
    int x = Integer.MAX_VALUE;
    for (int d : c) if (d < x)
      x = d;
    return x;
  }

  public static <A> A[] makeArray(Class<A> type, int n) {
    return (A[]) Array.newInstance(type, n);
  }

  public static Throwable printStackTrace2(Throwable e) {
    print(getStackTrace2(e));
    return e;
  }

  public static void printStackTrace2() {
    printStackTrace2(new Throwable());
  }

  public static void printStackTrace2(String msg) {
    printStackTrace2(new Throwable(msg));
  }

  public static Map<JFrame, Boolean> myFrames_list = weakHashMap();

  public static List<JFrame> myFrames() {
    return swing(new F0<List<JFrame>>() {

      public List<JFrame> get() {
        try {
          return keysList(myFrames_list);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret keysList(myFrames_list);";
      }
    });
  }

  public static <A> void listThreadLocalAdd(ThreadLocal<List<A>> tl, A a) {
    List<A> l = tl.get();
    if (l == null)
      tl.set(l = new ArrayList());
    l.add(a);
  }

  public static <A> A listThreadLocalPopLast(ThreadLocal<List<A>> tl) {
    List<A> l = tl.get();
    if (l == null)
      return null;
    A a = popLast(l);
    if (empty(l))
      tl.set(null);
    return a;
  }

  public static String shortenSnippetID(String snippetID) {
    if (snippetID.startsWith("#"))
      snippetID = snippetID.substring(1);
    String httpBlaBla = "http://tinybrain.de/";
    if (snippetID.startsWith(httpBlaBla))
      snippetID = snippetID.substring(httpBlaBla.length());
    return "" + parseLong(snippetID);
  }

  public static Object vm_generalMap_get(Object key) {
    return vm_generalMap().get(key);
  }

  public static <A> A swingConstruct(final Class<A> c, final Object... args) {
    return swing(new F0<A>() {

      public A get() {
        try {
          return nuObject(c, args);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret nuObject(c, args);";
      }
    });
  }

  public static ActionListener actionListener(final Object runnable) {
    return actionListener(runnable, null);
  }

  public static ActionListener actionListener(final Object runnable, final Object instanceToHold) {
    if (runnable instanceof ActionListener)
      return (ActionListener) runnable;
    final Object info = _threadInfo();
    return new java.awt.event.ActionListener() {

      public void actionPerformed(java.awt.event.ActionEvent _evt) {
        try {
          _threadInheritInfo(info);
          AutoCloseable __666 = holdInstance(instanceToHold);
          try {
            callF(runnable);
          } finally {
            _close(__666);
          }
        } catch (Throwable __e) {
          messageBox(__e);
        }
      }
    };
  }

  public static Object[] flattenArray2(Object... a) {
    List l = new ArrayList();
    if (a != null)
      for (Object x : a) if (x instanceof Object[])
        l.addAll(asList((Object[]) x));
      else if (x instanceof Collection)
        l.addAll((Collection) x);
      else
        l.add(x);
    return asObjectArray(l);
  }

  public static int toInt(Object o) {
    if (o == null)
      return 0;
    if (o instanceof Number)
      return ((Number) o).intValue();
    if (o instanceof String)
      return parseInt((String) o);
    throw fail("woot not int: " + getClassName(o));
  }

  public static int toInt(long l) {
    if (l != (int) l)
      throw fail("Too large for int: " + l);
    return (int) l;
  }

  public static Component wrapForSmartAdd(Object o) {
    if (o == null)
      return jpanel();
    if (o instanceof String)
      return jlabel((String) o);
    return wrap(o);
  }

  public static Component jrigid() {
    return javax.swing.Box.createRigidArea(new Dimension(0, 0));
  }

  public static boolean isEmpty(Collection c) {
    return c == null || c.isEmpty();
  }

  public static boolean isEmpty(CharSequence s) {
    return s == null || s.length() == 0;
  }

  public static boolean isEmpty(Object[] a) {
    return a == null || a.length == 0;
  }

  public static boolean isEmpty(byte[] a) {
    return a == null || a.length == 0;
  }

  public static boolean isEmpty(Map map) {
    return map == null || map.isEmpty();
  }

  public static boolean eqOneOf(Object o, Object... l) {
    for (Object x : l) if (eq(o, x))
      return true;
    return false;
  }

  public static boolean hasMethod(Object o, String method, Object... args) {
    return findMethod_cached(o, method, args) != null;
  }

  public static JMenuItem jMenuItem(final String text) {
    return jmenuItem(text);
  }

  public static JMenuItem jMenuItem(String text, Object r) {
    return jmenuItem(text, r);
  }

  public static Pair<String, Integer> jmenu_autoMnemonic(String s) {
    int i = indexOf(s, '&');
    if (i >= 0 && i < l(s) && isLetterOrDigit(s.charAt(i + 1)))
      return pair(substring(s, 0, i) + substring(s, i + 1), (int) s.charAt(i + 1));
    return pair(s, 0);
  }

  public static JMenuItem disableMenuItem(final JMenuItem mi) {
    if (mi != null) {
      swing(new Runnable() {

        public void run() {
          try {
            mi.setEnabled(false);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "mi.setEnabled(false);";
        }
      });
    }
    return mi;
  }

  public static boolean isCurlyBraced(String s) {
    List<String> tok = tok_combineCurlyBrackets_keep(javaTok(s));
    return l(tok) == 3 && startsWithAndEndsWith(tok.get(1), "{", "}");
  }

  public static String tok_unCurlyBracket(String s) {
    return isCurlyBraced(s) ? join(dropFirstThreeAndLastThree(javaTok(s))) : s;
  }

  public static String strUnnull(Object o) {
    return o == null ? "" : str(o);
  }

  public static String jlabel_textAsHTML_center_ifNeeded(String text) {
    if (swic(text, "<html>") && ewic(text, "</html>"))
      return text;
    if (!containsNewLines(text))
      return text;
    return jlabel_textAsHTML_center(text);
  }

  public static <A, B> Map<A, B> cloneMap(Map<A, B> map) {
    if (map == null)
      return new HashMap();
    synchronized (map) {
      return map instanceof TreeMap ? new TreeMap((TreeMap) map) : map instanceof LinkedHashMap ? new LinkedHashMap(map) : new HashMap(map);
    }
  }

  public static Dimension getPreferredSize(final Component c) {
    return c == null ? null : swing(new F0<Dimension>() {

      public Dimension get() {
        try {
          return c.getPreferredSize();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret c.getPreferredSize();";
      }
    });
  }

  public static Runnable asRunnable(Object o) {
    return toRunnable(o);
  }

  public static void _inheritThreadInfo(Object info) {
    _threadInheritInfo(info);
  }

  public static JTextField jTextField() {
    return jTextField("");
  }

  public static JTextField jTextField(final String text) {
    return swing(new F0<JTextField>() {

      public JTextField get() {
        try {
          JTextField tf = new JTextField(unnull(text));
          standardTextFieldPopupMenu(tf);
          jenableUndoRedo(tf);
          tf.selectAll();
          return tf;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JTextField tf = new JTextField(unnull(text));\r\n    standardTextFieldPopupMenu...";
      }
    });
  }

  public static JTextField jTextField(Object o) {
    return jTextField(strOrEmpty(o));
  }

  public static <A extends JTextComponent> A bindTextComponentToLiveValue_bothWays(final A tc, final SimpleLiveValue<String> lv) {
    bindLiveValueListenerToComponent(tc, lv, new Runnable() {

      public void run() {
        try {
          setTextKeepCaret(tc, lv.get());
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "setTextKeepCaret(tc, lv.get())";
      }
    });
    onChange(tc, new Runnable() {

      public void run() {
        try {
          lv.set(getText(tc));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "lv.set(getText(tc))";
      }
    });
    return tc;
  }

  public static void lock(Lock lock) {
    try {
      ping();
      if (lock == null)
        return;
      try {
        lock.lockInterruptibly();
      } catch (InterruptedException e) {
        print("Locking interrupted! I probably deadlocked, oops.");
        printStackTrace(e);
        rethrow(e);
      }
      ping();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void lock(Lock lock, String msg) {
    print("Locking: " + msg);
    lock(lock);
  }

  public static void lock(Lock lock, String msg, long timeout) {
    print("Locking: " + msg);
    lockOrFail(lock, timeout);
  }

  public static ReentrantLock lock() {
    return fairLock();
  }

  public static Class getFieldType(Object o, String field) {
    return fieldType(o, field);
  }

  public static void unlock(Lock lock, String msg) {
    if (lock == null)
      return;
    print("Unlocking: " + msg);
    lock.unlock();
  }

  public static void unlock(Lock lock) {
    if (lock == null)
      return;
    lock.unlock();
  }

  public static void messageBox(final String msg) {
    if (headless())
      print(msg);
    else {
      swing(new Runnable() {

        public void run() {
          try {
            JOptionPane.showMessageDialog(null, msg, "JavaX", JOptionPane.INFORMATION_MESSAGE);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "JOptionPane.showMessageDialog(null, msg, \"JavaX\", JOptionPane.INFORMATION_MES...";
        }
      });
    }
  }

  public static void messageBox(Throwable e) {
    printStackTrace(e);
    messageBox(hideCredentials(innerException2(e)));
  }

  public static <A> List<A> synchroList() {
    return Collections.synchronizedList(new ArrayList<A>());
  }

  public static <A> List<A> synchroList(List<A> l) {
    return Collections.synchronizedList(l);
  }

  public static <A> List<A> ll(A... a) {
    ArrayList l = new ArrayList(a.length);
    if (a != null)
      for (A x : a) l.add(x);
    return l;
  }

  public static PersistableThrowable persistableThrowable(Throwable e) {
    return e == null ? null : new PersistableThrowable(e);
  }

  public static Throwable innerException(Throwable e) {
    return getInnerException(e);
  }

  public static boolean isJavaIdentifier(String s) {
    if (empty(s) || !Character.isJavaIdentifierStart(s.charAt(0)))
      return false;
    for (int i = 1; i < s.length(); i++) if (!Character.isJavaIdentifierPart(s.charAt(i)))
      return false;
    return true;
  }

  public static String assertIdentifier(String s) {
    return assertIsIdentifier(s);
  }

  public static String assertIdentifier(String msg, String s) {
    return assertIsIdentifier(msg, s);
  }

  public static Object dm_os() {
    {
      Object __563 = vm_generalMap_get("stefansOS");
      if (__563 != null)
        return __563;
    }
    return creator();
  }

  public static Object agiBlue_loadBotPage(String cmd, Object... params) {
    return loadJSONPage(agiBlueURL() + "/bot" + addSlashPrefix(cmd) + hquery(params));
  }

  public static Object[] paramsPlus_noOverwrite(Object[] a1, Object... a2) {
    if (a2 == null || l(a2) == 2 && a2[0] == null)
      return a1;
    if (a1 == null)
      return a2;
    return concatArrays(assertEvenLength(a1), assertEvenLength(a2));
  }

  public static Object[] paramsWithSameKey(Object key, Collection values) {
    return paramsWithSameKey(key, asObjectArray(values));
  }

  public static Object[] paramsWithSameKey(Object key, Object... values) {
    int n = l(values);
    Object[] o = new Object[n * 2];
    for (int i = 0; i < n; i++) {
      o[i * 2] = key;
      o[i * 2 + 1] = values[i];
    }
    return o;
  }

  public static <A, B> Pair<A, B> pair(A a, B b) {
    return new Pair(a, b);
  }

  public static <A> Pair<A, A> pair(A a) {
    return new Pair(a, a);
  }

  public static Set<String> allNonStaticNonTransientFields(Object o) {
    TreeSet<String> fields = new TreeSet();
    Class _c = _getClass(o);
    do {
      for (Field f : _c.getDeclaredFields()) if ((f.getModifiers() & (Modifier.STATIC | Modifier.TRANSIENT)) == 0)
        fields.add(f.getName());
      _c = _c.getSuperclass();
    } while (_c != null);
    return fields;
  }

  public static Field makeAccessible(Field f) {
    try {
      f.setAccessible(true);
    } catch (Throwable e) {
      vmBus_send("makeAccessible_error", e, f);
    }
    return f;
  }

  public static Method makeAccessible(Method m) {
    try {
      m.setAccessible(true);
    } catch (Throwable e) {
      vmBus_send("makeAccessible_error", e, m);
    }
    return m;
  }

  public static Constructor makeAccessible(Constructor c) {
    try {
      c.setAccessible(true);
    } catch (Throwable e) {
      vmBus_send("makeAccessible_error", e, c);
    }
    return c;
  }

  public static void smartSet(Field f, Object o, Object value) throws Exception {
    try {
      f.set(o, value);
    } catch (Exception e) {
      Class type = f.getType();
      if (type == int.class && value instanceof Long)
        value = ((Long) value).intValue();
      if (type == LinkedHashMap.class && value instanceof Map) {
        f.set(o, asLinkedHashMap((Map) value));
        return;
      }
      try {
        if (f.getType() == Concept.Ref.class) {
          f.set(o, ((Concept) o).new Ref((Concept) value));
          return;
        }
        if (o instanceof Concept.Ref) {
          f.set(o, ((Concept.Ref) o).get());
          return;
        }
      } catch (Throwable _e) {
      }
      throw e;
    }
  }

  public static Map<String, Class> classForName_cache = synchroHashMap();

  public static Class classForName(String name) {
    try {
      if (classForName_cache == null)
        return Class.forName(name);
      Class c = classForName_cache.get(name);
      if (c == null)
        classForName_cache.put(name, c = Class.forName(name));
      return c;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Object unstructure(String text) {
    return unstructure(text, false);
  }

  public static Object unstructure(String text, final boolean allDynamic) {
    return unstructure(text, allDynamic, null);
  }

  public static int structure_internStringsLongerThan = 50;

  public static int unstructure_unquoteBufSize = 100;

  public static int unstructure_tokrefs;

  public abstract static class unstructure_Receiver {

    public abstract void set(Object o);
  }

  public static Object unstructure(String text, boolean allDynamic, Object classFinder) {
    if (text == null)
      return null;
    return unstructure_tok(javaTokC_noMLS_iterator(text), allDynamic, classFinder);
  }

  public static Object unstructure_reader(BufferedReader reader) {
    return unstructure_tok(javaTokC_noMLS_onReader(reader), false, null);
  }

  public static Object unstructure_tok(final Producer<String> tok, final boolean allDynamic, final Object _classFinder) {
    final boolean debug = unstructure_debug;
    final class X {

      public int i = -1;

      public final Object classFinder = _classFinder != null ? _classFinder : _defaultClassFinder();

      public HashMap<Integer, Object> refs = new HashMap();

      public HashMap<Integer, Object> tokrefs = new HashMap();

      public HashSet<String> concepts = new HashSet();

      public HashMap<String, Class> classesMap = new HashMap();

      public List<Runnable> stack = new ArrayList();

      public String curT;

      public char[] unquoteBuf = new char[unstructure_unquoteBufSize];

      public String unquote(String s) {
        return unquoteUsingCharArray(s, unquoteBuf);
      }

      public String t() {
        return curT;
      }

      public String tpp() {
        String t = curT;
        consume();
        return t;
      }

      public void parse(final unstructure_Receiver out) {
        String t = t();
        int refID = 0;
        if (structure_isMarker(t, 0, l(t))) {
          refID = parseInt(t.substring(1));
          consume();
        }
        final int _refID = refID;
        final int tokIndex = i;
        parse_inner(refID, tokIndex, new unstructure_Receiver() {

          public void set(Object o) {
            if (_refID != 0)
              refs.put(_refID, o);
            if (o != null)
              tokrefs.put(tokIndex, o);
            out.set(o);
          }
        });
      }

      public void parse_inner(int refID, int tokIndex, final unstructure_Receiver out) {
        String t = t();
        Class c = classesMap.get(t);
        if (c == null) {
          if (t.startsWith("\"")) {
            String s = internIfLongerThan(unquote(tpp()), structure_internStringsLongerThan);
            out.set(s);
            return;
          }
          if (t.startsWith("'")) {
            out.set(unquoteCharacter(tpp()));
            return;
          }
          if (t.equals("bigint")) {
            out.set(parseBigInt());
            return;
          }
          if (t.equals("d")) {
            out.set(parseDouble());
            return;
          }
          if (t.equals("fl")) {
            out.set(parseFloat());
            return;
          }
          if (t.equals("sh")) {
            consume();
            t = tpp();
            if (t.equals("-")) {
              t = tpp();
              out.set((short) (-parseInt(t)));
              return;
            }
            out.set((short) parseInt(t));
            return;
          }
          if (t.equals("-")) {
            consume();
            t = tpp();
            out.set(isLongConstant(t) ? (Object) (-parseLong(t)) : (Object) (-parseInt(t)));
            return;
          }
          if (isInteger(t) || isLongConstant(t)) {
            consume();
            if (isLongConstant(t)) {
              out.set(parseLong(t));
              return;
            }
            long l = parseLong(t);
            boolean isInt = l == (int) l;
            out.set(isInt ? (Object) Integer.valueOf((int) l) : (Object) Long.valueOf(l));
            return;
          }
          if (t.equals("false") || t.equals("f")) {
            consume();
            out.set(false);
            return;
          }
          if (t.equals("true") || t.equals("t")) {
            consume();
            out.set(true);
            return;
          }
          if (t.equals("-")) {
            consume();
            t = tpp();
            out.set(isLongConstant(t) ? (Object) (-parseLong(t)) : (Object) (-parseInt(t)));
            return;
          }
          if (isInteger(t) || isLongConstant(t)) {
            consume();
            if (isLongConstant(t)) {
              out.set(parseLong(t));
              return;
            }
            long l = parseLong(t);
            boolean isInt = l == (int) l;
            out.set(isInt ? (Object) Integer.valueOf((int) l) : (Object) Long.valueOf(l));
            return;
          }
          if (t.equals("File")) {
            consume();
            File f = new File(unquote(tpp()));
            out.set(f);
            return;
          }
          if (t.startsWith("r") && isInteger(t.substring(1))) {
            consume();
            int ref = Integer.parseInt(t.substring(1));
            Object o = refs.get(ref);
            if (o == null)
              throw fail("unsatisfied back reference " + ref);
            out.set(o);
            return;
          }
          if (t.startsWith("t") && isInteger(t.substring(1))) {
            consume();
            int ref = Integer.parseInt(t.substring(1));
            Object o = tokrefs.get(ref);
            if (o == null)
              throw fail("unsatisfied token reference " + ref + " at " + tokIndex);
            out.set(o);
            return;
          }
          if (t.equals("hashset")) {
            parseHashSet(out);
            return;
          }
          if (t.equals("lhs")) {
            parseLinkedHashSet(out);
            return;
          }
          if (t.equals("treeset")) {
            parseTreeSet(out);
            return;
          }
          if (t.equals("ciset")) {
            parseCISet(out);
            return;
          }
          if (eqOneOf(t, "hashmap", "hm")) {
            consume();
            parseMap(new HashMap(), out);
            return;
          }
          if (t.equals("lhm")) {
            consume();
            parseMap(new LinkedHashMap(), out);
            return;
          }
          if (t.equals("tm")) {
            consume();
            parseMap(new TreeMap(), out);
            return;
          }
          if (t.equals("cimap")) {
            consume();
            parseMap(ciMap(), out);
            return;
          }
          if (t.equals("ll")) {
            consume();
            {
              parseList(new LinkedList(), out);
              return;
            }
          }
          if (t.equals("syncLL")) {
            consume();
            {
              parseList(synchroLinkedList(), out);
              return;
            }
          }
          if (t.equals("sync")) {
            consume();
            {
              parse(new unstructure_Receiver() {

                public void set(Object value) {
                  if (value instanceof Map) {
                    if (value instanceof NavigableMap) {
                      out.set(Collections.synchronizedNavigableMap((NavigableMap) value));
                      return;
                    }
                    if (value instanceof SortedMap) {
                      out.set(Collections.synchronizedSortedMap((SortedMap) value));
                      return;
                    }
                    {
                      out.set(Collections.synchronizedMap((Map) value));
                      return;
                    }
                  } else {
                    out.set(Collections.synchronizedList((List) value));
                    return;
                  }
                }
              });
              return;
            }
          }
          if (t.equals("{")) {
            parseMap(out);
            return;
          }
          if (t.equals("[")) {
            this.parseList(new ArrayList(), out);
            return;
          }
          if (t.equals("bitset")) {
            parseBitSet(out);
            return;
          }
          if (t.equals("array") || t.equals("intarray")) {
            parseArray(out);
            return;
          }
          if (t.equals("ba")) {
            consume();
            String hex = unquote(tpp());
            out.set(hexToBytes(hex));
            return;
          }
          if (t.equals("boolarray")) {
            consume();
            int n = parseInt(tpp());
            String hex = unquote(tpp());
            out.set(boolArrayFromBytes(hexToBytes(hex), n));
            return;
          }
          if (t.equals("class")) {
            out.set(parseClass());
            return;
          }
          if (t.equals("l")) {
            parseLisp(out);
            return;
          }
          if (t.equals("null")) {
            consume();
            out.set(null);
            return;
          }
          if (eq(t, "c")) {
            consume();
            t = t();
            assertTrue(isJavaIdentifier(t));
            concepts.add(t);
          }
          if (eq(t, "cu")) {
            consume();
            t = tpp();
            assertTrue(isJavaIdentifier(t));
            String fullClassName = "main$" + t;
            Class _c = classFinder != null ? (Class) callF(classFinder, fullClassName) : findClass_fullName(fullClassName);
            if (_c == null)
              throw fail("Class not found: " + fullClassName);
            parse(new unstructure_Receiver() {

              public void set(Object value) {
                out.set(call(_c, "_deserialize", value));
              }
            });
            return;
          }
        }
        if (eq(t, "j")) {
          consume("j");
          out.set(parseJava());
          return;
        }
        if (c == null && !isJavaIdentifier(t))
          throw new RuntimeException("Unknown token " + (i + 1) + ": " + t);
        consume();
        String className, fullClassName;
        if (eq(t(), ".")) {
          consume();
          className = fullClassName = t + "." + assertIdentifier(tpp());
        } else {
          className = t;
          fullClassName = "main$" + t;
        }
        if (c == null) {
          if (allDynamic)
            c = null;
          else
            c = classFinder != null ? (Class) callF(classFinder, fullClassName) : findClass_fullName(fullClassName);
          if (c != null)
            classesMap.put(className, c);
        }
        boolean hasBracket = eq(t(), "(");
        if (hasBracket)
          consume();
        boolean hasOuter = hasBracket && eq(t(), "this$1");
        DynamicObject dO = null;
        Object o = null;
        final String thingName = t;
        if (c != null) {
          o = hasOuter ? nuStubInnerObject(c, classFinder) : nuEmptyObject(c);
          if (o instanceof DynamicObject)
            dO = (DynamicObject) o;
        } else {
          if (concepts.contains(t) && (c = findClass("Concept")) != null)
            o = dO = (DynamicObject) nuEmptyObject(c);
          else
            dO = new DynamicObject();
          dO.className = className;
        }
        if (refID != 0)
          refs.put(refID, o != null ? o : dO);
        tokrefs.put(tokIndex, o != null ? o : dO);
        final LinkedHashMap<String, Object> fields = new LinkedHashMap();
        final Object _o = o;
        final DynamicObject _dO = dO;
        if (hasBracket) {
          stack.add(new Runnable() {

            public void run() {
              try {
                if (eq(t(), ","))
                  consume();
                if (eq(t(), ")")) {
                  consume(")");
                  objRead(_o, _dO, fields, hasOuter);
                  out.set(_o != null ? _o : _dO);
                } else {
                  final String key = unquote(tpp());
                  String t = tpp();
                  if (!eq(t, "="))
                    throw fail("= expected, got " + t + " after " + quote(key) + " in object " + thingName);
                  stack.add(this);
                  parse(new unstructure_Receiver() {

                    public void set(Object value) {
                      fields.put(key, value);
                    }
                  });
                }
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "ifdef unstructure_debug\r\n            print(\"in object values, token: \" + t())...";
            }
          });
        } else {
          objRead(o, dO, fields, hasOuter);
          out.set(o != null ? o : dO);
        }
      }

      public void objRead(Object o, DynamicObject dO, Map<String, Object> fields, boolean hasOuter) {
        if (o != null) {
          if (dO != null) {
            setOptAllDyn(dO, fields);
          } else {
            setOptAll_pcall(o, fields);
          }
          if (hasOuter)
            fixOuterRefs(o);
        } else
          for (Map.Entry<String, Object> e : fields.entrySet()) setDynObjectValue(dO, intern(e.getKey()), e.getValue());
        if (o != null)
          pcallOpt_noArgs(o, "_doneLoading");
      }

      public void parseSet(final Set set, final unstructure_Receiver out) {
        this.parseList(new ArrayList(), new unstructure_Receiver() {

          public void set(Object o) {
            set.addAll((List) o);
            out.set(set);
          }
        });
      }

      public void parseLisp(final unstructure_Receiver out) {
        throw fail("class Lisp not included");
      }

      public void parseBitSet(final unstructure_Receiver out) {
        consume("bitset");
        consume("{");
        final BitSet bs = new BitSet();
        stack.add(new Runnable() {

          public void run() {
            try {
              if (eq(t(), "}")) {
                consume("}");
                out.set(bs);
              } else {
                stack.add(this);
                parse(new unstructure_Receiver() {

                  public void set(Object o) {
                    bs.set((Integer) o);
                    if (eq(t(), ","))
                      consume();
                  }
                });
              }
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "if (eq(t(), \"}\")) {\r\n          consume(\"}\");\r\n          out.set(bs);\r\n       ...";
          }
        });
      }

      public void parseList(final List list, final unstructure_Receiver out) {
        consume("[");
        stack.add(new Runnable() {

          public void run() {
            try {
              if (eq(t(), "]")) {
                consume();
                out.set(list);
              } else {
                stack.add(this);
                parse(new unstructure_Receiver() {

                  public void set(Object o) {
                    list.add(o);
                    if (eq(t(), ","))
                      consume();
                  }
                });
              }
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "if (eq(t(), \"]\")) {\r\n          consume();\r\n          ifdef unstructure_debug\r...";
          }
        });
      }

      public void parseArray(final unstructure_Receiver out) {
        final String type = tpp();
        consume("{");
        final List list = new ArrayList();
        stack.add(new Runnable() {

          public void run() {
            try {
              if (eq(t(), "}")) {
                consume("}");
                out.set(type.equals("intarray") ? toIntArray(list) : list.toArray());
              } else {
                stack.add(this);
                parse(new unstructure_Receiver() {

                  public void set(Object o) {
                    list.add(o);
                    if (eq(t(), ","))
                      consume();
                  }
                });
              }
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "if (eq(t(), \"}\")) {\r\n          consume(\"}\");\r\n          out.set(type.equals(\"...";
          }
        });
      }

      public Object parseClass() {
        consume("class");
        consume("(");
        String name = unquote(tpp());
        consume(")");
        Class c = allDynamic ? null : classFinder != null ? (Class) callF(classFinder, name) : findClass_fullName(name);
        if (c != null)
          return c;
        DynamicObject dO = new DynamicObject();
        dO.className = "java.lang.Class";
        name = dropPrefix("main$", name);
        dO.fieldValues.put("name", name);
        return dO;
      }

      public Object parseBigInt() {
        consume("bigint");
        consume("(");
        String val = tpp();
        if (eq(val, "-"))
          val = "-" + tpp();
        consume(")");
        return new BigInteger(val);
      }

      public Object parseDouble() {
        consume("d");
        consume("(");
        String val = unquote(tpp());
        consume(")");
        return Double.parseDouble(val);
      }

      public Object parseFloat() {
        consume("fl");
        String val;
        if (eq(t(), "(")) {
          consume("(");
          val = unquote(tpp());
          consume(")");
        } else {
          val = unquote(tpp());
        }
        return Float.parseFloat(val);
      }

      public void parseHashSet(unstructure_Receiver out) {
        consume("hashset");
        parseSet(new HashSet(), out);
      }

      public void parseLinkedHashSet(unstructure_Receiver out) {
        consume("lhs");
        parseSet(new LinkedHashSet(), out);
      }

      public void parseTreeSet(unstructure_Receiver out) {
        consume("treeset");
        parseSet(new TreeSet(), out);
      }

      public void parseCISet(unstructure_Receiver out) {
        consume("ciset");
        parseSet(ciSet(), out);
      }

      public void parseMap(unstructure_Receiver out) {
        parseMap(new TreeMap(), out);
      }

      public Object parseJava() {
        String j = unquote(tpp());
        Matches m = new Matches();
        if (jmatch("java.awt.Color[r=*,g=*,b=*]", j, m))
          return nuObject("java.awt.Color", parseInt(m.unq(0)), parseInt(m.unq(1)), parseInt(m.unq(2)));
        else {
          warn("Unknown Java object: " + j);
          return null;
        }
      }

      public void parseMap(final Map map, final unstructure_Receiver out) {
        consume("{");
        stack.add(new Runnable() {

          public boolean v = false;

          public Object key;

          public void run() {
            if (v) {
              v = false;
              stack.add(this);
              if (!eq(tpp(), "="))
                throw fail("= expected, got " + t() + " in map of size " + l(map));
              parse(new unstructure_Receiver() {

                public void set(Object value) {
                  map.put(key, value);
                  if (eq(t(), ","))
                    consume();
                }
              });
            } else {
              if (eq(t(), "}")) {
                consume("}");
                out.set(map);
              } else {
                v = true;
                stack.add(this);
                parse(new unstructure_Receiver() {

                  public void set(Object o) {
                    key = o;
                  }
                });
              }
            }
          }
        });
      }

      public void consume() {
        curT = tok.next();
        ++i;
      }

      public void consume(String s) {
        if (!eq(t(), s)) {
          throw fail(quote(s) + " expected, got " + quote(t()));
        }
        consume();
      }

      public void parse_initial(unstructure_Receiver out) {
        consume();
        parse(out);
        while (nempty(stack)) popLast(stack).run();
      }
    }
    Boolean b = DynamicObject_loading.get();
    DynamicObject_loading.set(true);
    try {
      final Var v = new Var();
      X x = new X();
      x.parse_initial(new unstructure_Receiver() {

        public void set(Object o) {
          v.set(o);
        }
      });
      unstructure_tokrefs = x.tokrefs.size();
      return v.get();
    } finally {
      DynamicObject_loading.set(b);
    }
  }

  public static boolean unstructure_debug = false;

  public static DynModule dm_currentModuleMandatory() {
    return dm_current_mandatory();
  }

  public static <A> Set<A> syncIdentityHashSet() {
    return (Set) synchronizedSet(identityHashSet());
  }

  public static <A> AutoCloseable tempAdd(final Collection<A> l, final A a) {
    if (l == null || l.contains(a))
      return null;
    l.add(a);
    return new AutoCloseable() {

      public String toString() {
        return "l.remove(a);";
      }

      public void close() throws Exception {
        l.remove(a);
      }
    };
  }

  public static <A> A second(List<A> l) {
    return get(l, 1);
  }

  public static <A> A second(Iterable<A> l) {
    if (l == null)
      return null;
    Iterator<A> it = iterator(l);
    if (!it.hasNext())
      return null;
    it.next();
    return it.hasNext() ? it.next() : null;
  }

  public static <A> A second(A[] bla) {
    return bla == null || bla.length <= 1 ? null : bla[1];
  }

  public static <A, B> B second(Pair<A, B> p) {
    return p == null ? null : p.b;
  }

  public static <A> A second(Producer<A> p) {
    if (p == null)
      return null;
    if (p.next() == null)
      return null;
    return p.next();
  }

  public static char second(String s) {
    return charAt(s, 1);
  }

  public static <A> A third(List<A> l) {
    return _get(l, 2);
  }

  public static <A> A third(Iterable<A> l) {
    if (l == null)
      return null;
    Iterator<A> it = iterator(l);
    for (int _repeat_482 = 0; _repeat_482 < 2; _repeat_482++) {
      if (!it.hasNext())
        return null;
      it.next();
    }
    return it.hasNext() ? it.next() : null;
  }

  public static <A> A third(Producer<A> p) {
    if (p == null)
      return null;
    for (int _repeat_484 = 0; _repeat_484 < 2; _repeat_484++) {
      if (p.next() == null)
        return null;
    }
    return p.next();
  }

  public static <A> A third(A[] bla) {
    return bla == null || bla.length <= 2 ? null : bla[2];
  }

  public static <A> VF1<A> runnableToVF1(final Runnable r) {
    return r == null ? null : new VF1<A>() {

      public void get(A a) {
        try {
          r.run();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "r.run()";
      }
    };
  }

  public static boolean domainIsUnder(String domain, String mainDomain) {
    return eqic(domain, mainDomain) || ewic(domain, "." + mainDomain);
  }

  public static String theAGIBlueDomain() {
    return "agi.blue";
  }

  public static File standardLogFile() {
    return getProgramFile("log");
  }

  public static void logQuoted(String logFile, String line) {
    logQuoted(getProgramFile(logFile), line);
  }

  public static void logQuoted(File logFile, String line) {
    appendToFile(logFile, quote(line) + "\n");
  }

  public static long now_virtualTime;

  public static long now() {
    return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis();
  }

  public static String _userHome;

  public static String userHome() {
    if (_userHome == null)
      return actualUserHome();
    return _userHome;
  }

  public static File userHome(String path) {
    return new File(userDir(), path);
  }

  public static File newFile(File base, String... names) {
    for (String name : names) base = new File(base, name);
    return base;
  }

  public static File newFile(String name) {
    return name == null ? null : new File(name);
  }

  public static File newFile(String base, String... names) {
    return newFile(newFile(base), names);
  }

  public static void enableWordWrapForTextArea(final JTextArea ta) {
    if (ta != null) {
      swing(new Runnable() {

        public void run() {
          try {
            ta.setLineWrap(true);
            ta.setWrapStyleWord(true);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "ta.setLineWrap(true);\r\n    ta.setWrapStyleWord(true);";
        }
      });
    }
  }

  public static JTextArea jtextarea() {
    return jTextArea();
  }

  public static JTextArea jtextarea(String text) {
    return jTextArea(text);
  }

  public static JTextField onEnter(final JTextField tf, final Object action) {
    if (action == null || tf == null)
      return tf;
    tf.addActionListener(new java.awt.event.ActionListener() {

      public void actionPerformed(java.awt.event.ActionEvent _evt) {
        try {
          tf.selectAll();
          callF(action);
        } catch (Throwable __e) {
          messageBox(__e);
        }
      }
    });
    return tf;
  }

  public static JButton onEnter(JButton btn, final Object action) {
    if (action == null || btn == null)
      return btn;
    btn.addActionListener(actionListener(action));
    return btn;
  }

  public static JList onEnter(JList list, Object action) {
    list.addKeyListener(enterKeyListener(rCallOnSelectedListItem(list, action)));
    return list;
  }

  public static JComboBox onEnter(final JComboBox cb, final Object action) {
    {
      swing(new Runnable() {

        public void run() {
          try {
            if (cb.isEditable()) {
              JTextField text = (JTextField) cb.getEditor().getEditorComponent();
              onEnter(text, action);
            } else {
              cb.getInputMap().put(KeyStroke.getKeyStroke("ENTER"), "enter");
              cb.getActionMap().put("enter", abstractAction("", new Runnable() {

                public void run() {
                  try {
                    cb.hidePopup();
                    callF(action);
                  } catch (Exception __e) {
                    throw rethrow(__e);
                  }
                }

                public String toString() {
                  return "cb.hidePopup(); callF(action);";
                }
              }));
            }
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "if (cb.isEditable()) {\r\n      JTextField text = (JTextField) cb.getEditor().g...";
        }
      });
    }
    return cb;
  }

  public static JTable onEnter(final JTable table, final Object action) {
    table.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), "Enter");
    table.getActionMap().put("Enter", new AbstractAction() {

      public void actionPerformed(ActionEvent e) {
        callF(action, table.getSelectedRow());
      }
    });
    return table;
  }

  public static JTextField onEnter(Object action, JTextField tf) {
    return onEnter(tf, action);
  }

  public static float getSwingFontScale() {
    return or((Float) vm_generalMap_get("swingFontScale_value"), 1f);
  }

  public static int toInt_checked(long l) {
    if (l != (int) l)
      throw fail("Too large for int: " + l);
    return (int) l;
  }

  public static Throwable getException(Runnable r) {
    try {
      callF(r);
      return null;
    } catch (Throwable e) {
      return e;
    }
  }

  public static ArrayList emptyList() {
    return new ArrayList();
  }

  public static ArrayList emptyList(int capacity) {
    return new ArrayList(max(0, capacity));
  }

  public static ArrayList emptyList(Iterable l) {
    return l instanceof Collection ? emptyList(((Collection) l).size()) : emptyList();
  }

  public static ArrayList emptyList(Object[] l) {
    return emptyList(l(l));
  }

  public static <A> ArrayList<A> emptyList(Class<A> c) {
    return new ArrayList();
  }

  public static Map emptyMap() {
    return new HashMap();
  }

  public static Object pcallFunction(Object f, Object... args) {
    try {
      return callFunction(f, args);
    } catch (Throwable __e) {
      _handleException(__e);
    }
    return null;
  }

  public static <A> List<A> concatLists(Collection<A>... lists) {
    List<A> l = new ArrayList();
    if (lists != null)
      for (Collection<A> list : lists) if (list != null)
        l.addAll(list);
    return l;
  }

  public static <A> List<A> concatLists(Collection<? extends Collection<A>> lists) {
    List<A> l = new ArrayList();
    if (lists != null)
      for (Collection<A> list : lists) if (list != null)
        l.addAll(list);
    return l;
  }

  public static <A> List<A> sorted(Collection<A> c, final Object comparator) {
    List<A> l = cloneList(c);
    sort(l, makeComparator(comparator));
    return l;
  }

  public static <A> List<A> sorted(Collection<A> c) {
    List<A> l = cloneList(c);
    sort(l);
    return l;
  }

  public static List<String> methodsStartingWith(Object o, final String prefix) {
    return filter(allMethodNames(o), new F1<String, Object>() {

      public Object get(String s) {
        try {
          return startsWith(s, prefix);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "startsWith(s, prefix)";
      }
    });
  }

  public static String formatWithThousands(long l) {
    return formatWithThousandsSeparator(l);
  }

  public static double fraction(double d) {
    return d % 1;
  }

  public static String n_fancy2(long l, String singular, String plural) {
    return formatWithThousandsSeparator(l) + " " + trim(l == 1 ? singular : plural);
  }

  public static String n_fancy2(Collection l, String singular, String plural) {
    return n_fancy2(l(l), singular, plural);
  }

  public static String n_fancy2(Map m, String singular, String plural) {
    return n_fancy2(l(m), singular, plural);
  }

  public static String n_fancy2(Object[] a, String singular, String plural) {
    return n_fancy2(l(a), singular, plural);
  }

  public static String n_fancy2(MultiSet ms, String singular, String plural) {
    return n_fancy2(l(ms), singular, plural);
  }

  public static boolean isJavaXClassLoader(ClassLoader cl) {
    return startsWithOneOf(className(cl), "main$JavaXClassLoader", "x30$JavaXClassLoader");
  }

  public static void setOptAll(Object o, Map<String, Object> fields) {
    if (fields == null)
      return;
    for (String field : keys(fields)) setOpt(o, field, fields.get(field));
  }

  public static void setOptAll(Object o, Object... values) {
    warnIfOddCount(values);
    for (int i = 0; i + 1 < l(values); i += 2) {
      String field = (String) values[i];
      Object value = values[i + 1];
      setOpt(o, field, value);
    }
  }

  public static String dropPrefixOrNull(String prefix, String s) {
    return s != null && s.startsWith(prefix) ? s.substring(l(prefix)) : null;
  }

  public static ClassLoader getClassLoader(Object o) {
    return o == null ? null : _getClass(o).getClassLoader();
  }

  public static Class loadClassFromClassLoader_orNull(ClassLoader cl, String name) {
    try {
      return cl == null ? null : cl.loadClass(name);
    } catch (ClassNotFoundException e) {
      return null;
    }
  }

  public static boolean isAllUpperCase(String s) {
    return hasLettersAllUpperCase(s);
  }

  public static boolean isUpperCaseLetter(char c) {
    return Character.isUpperCase(c);
  }

  public static void moveMouse(int newx, int newy) {
    try {
      mouseMover().moveMouse(pt(newx, newy));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void moveMouse(Pt p) {
    if (p != null)
      moveMouse(p.x, p.y);
  }

  public static void moveMouse(Rect r) {
    moveMouse(centerOfRect(r));
  }

  public static String getStackTrace2(Throwable e) {
    return hideCredentials(getStackTrace(unwrapTrivialExceptionWraps(e)) + replacePrefix("java.lang.RuntimeException: ", "FAIL: ", hideCredentials(str(innerException2(e)))) + "\n");
  }

  public static <A, B> Map<A, B> weakHashMap() {
    return newWeakHashMap();
  }

  public static <A, B> List<A> keysList(Map<A, B> map) {
    return cloneListSynchronizingOn(keys(map), map);
  }

  public static <A> List<A> keysList(MultiSet<A> ms) {
    return ms == null ? null : keysList(ms.map);
  }

  public static <A> A popLast(List<A> l) {
    return liftLast(l);
  }

  public static long parseLong(String s) {
    if (empty(s))
      return 0;
    return Long.parseLong(dropSuffix("L", s));
  }

  public static long parseLong(Object s) {
    return Long.parseLong((String) s);
  }

  public static Map vm_generalMap_map;

  public static Map vm_generalMap() {
    if (vm_generalMap_map == null)
      vm_generalMap_map = (Map) get(javax(), "generalMap");
    return vm_generalMap_map;
  }

  public static Object nuObject(String className, Object... args) {
    try {
      return nuObject(classForName(className), args);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> A nuObject(Class<A> c, Object... args) {
    try {
      if (args.length == 0)
        return nuObjectWithoutArguments(c);
      Constructor m = nuObject_findConstructor(c, args);
      makeAccessible(m);
      return (A) m.newInstance(args);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Constructor nuObject_findConstructor(Class c, Object... args) {
    for (Constructor m : c.getDeclaredConstructors()) {
      if (!nuObject_checkArgs(m.getParameterTypes(), args, false))
        continue;
      return m;
    }
    throw fail("Constructor " + c.getName() + getClasses(args) + " not found" + (args.length == 0 && (c.getModifiers() & java.lang.reflect.Modifier.STATIC) == 0 ? " - hint: it's a non-static class!" : ""));
  }

  public static boolean nuObject_checkArgs(Class[] types, Object[] args, boolean debug) {
    if (types.length != args.length) {
      if (debug)
        System.out.println("Bad parameter length: " + args.length + " vs " + types.length);
      return false;
    }
    for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) {
      if (debug)
        System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]);
      return false;
    }
    return true;
  }

  public static Object[] asObjectArray(Collection l) {
    return toObjectArray(l);
  }

  public static int parseInt(String s) {
    return empty(s) ? 0 : Integer.parseInt(s);
  }

  public static int parseInt(char c) {
    return Integer.parseInt(str(c));
  }

  public static JPanel jpanel(LayoutManager layout) {
    return swingNu(JPanel.class, layout);
  }

  public static JPanel jpanel() {
    return swingNu(JPanel.class);
  }

  public static Method findMethod_cached(Object o, String method, Object... args) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class) {
        _MethodCache cache = callOpt_getCache(((Class) o));
        List<Method> methods = cache.cache.get(method);
        if (methods != null)
          for (Method m : methods) if (isStaticMethod(m) && findMethod_checkArgs(m, args, false))
            return m;
        return null;
      } else {
        _MethodCache cache = callOpt_getCache(o.getClass());
        List<Method> methods = cache.cache.get(method);
        if (methods != null)
          for (Method m : methods) if (findMethod_checkArgs(m, args, false))
            return m;
        return null;
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean isLetterOrDigit(char c) {
    return Character.isLetterOrDigit(c);
  }

  public static List<String> tok_combineCurlyBrackets_keep(List<String> tok) {
    List<String> l = new ArrayList();
    for (int i = 0; i < l(tok); i++) {
      String t = tok.get(i);
      if (odd(i) && eq(t, "{")) {
        int j = findEndOfCurlyBracketPart(tok, i);
        l.add(joinSubList(tok, i, j));
        i = j - 1;
      } else
        l.add(t);
    }
    return l;
  }

  public static int javaTok_n, javaTok_elements;

  public static boolean javaTok_opt = false;

  public static List<String> javaTok(String s) {
    ++javaTok_n;
    ArrayList<String> tok = new ArrayList();
    int l = s == null ? 0 : s.length();
    int i = 0, n = 0;
    while (i < l) {
      int j = i;
      char c, d;
      while (j < l) {
        c = s.charAt(j);
        d = j + 1 >= l ? '\0' : s.charAt(j + 1);
        if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
          ++j;
        else if (c == '/' && d == '*') {
          do ++j; while (j < l && !s.substring(j, Math.min(j + 2, l)).equals("*/"));
          j = Math.min(j + 2, l);
        } else if (c == '/' && d == '/') {
          do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
        } else
          break;
      }
      tok.add(javaTok_substringN(s, i, j));
      ++n;
      i = j;
      if (i >= l)
        break;
      c = s.charAt(i);
      d = i + 1 >= l ? '\0' : s.charAt(i + 1);
      if (c == '\'' && Character.isJavaIdentifierStart(d) && i + 2 < l && "'\\".indexOf(s.charAt(i + 2)) < 0) {
        j += 2;
        while (j < l && Character.isJavaIdentifierPart(s.charAt(j))) ++j;
      } else if (c == '\'' || c == '"') {
        char opener = c;
        ++j;
        while (j < l) {
          int c2 = s.charAt(j);
          if (c2 == opener || c2 == '\n' && opener == '\'') {
            ++j;
            break;
          } else if (c2 == '\\' && j + 1 < l)
            j += 2;
          else
            ++j;
        }
      } else if (Character.isJavaIdentifierStart(c))
        do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || s.charAt(j) == '\''));
      else if (Character.isDigit(c)) {
        do ++j; while (j < l && Character.isDigit(s.charAt(j)));
        if (j < l && s.charAt(j) == 'L')
          ++j;
      } else if (c == '[' && d == '[') {
        do ++j; while (j + 1 < l && !s.substring(j, j + 2).equals("]]"));
        j = Math.min(j + 2, l);
      } else if (c == '[' && d == '=' && i + 2 < l && s.charAt(i + 2) == '[') {
        do ++j; while (j + 2 < l && !s.substring(j, j + 3).equals("]=]"));
        j = Math.min(j + 3, l);
      } else
        ++j;
      tok.add(javaTok_substringC(s, i, j));
      ++n;
      i = j;
    }
    if ((tok.size() % 2) == 0)
      tok.add("");
    javaTok_elements += tok.size();
    return tok;
  }

  public static List<String> javaTok(List<String> tok) {
    return javaTokWithExisting(join(tok), tok);
  }

  public static boolean startsWithAndEndsWith(String s, String prefix, String suffix) {
    return startsWith(s, prefix) && endsWith(s, suffix);
  }

  public static <A> List<A> dropFirstThreeAndLastThree(List<A> l) {
    return dropFirstAndLast(3, l);
  }

  public static boolean swic(String a, String b) {
    return startsWithIgnoreCase(a, b);
  }

  public static boolean swic(String a, String b, Matches m) {
    if (!swic(a, b))
      return false;
    m.m = new String[] { substring(a, l(b)) };
    return true;
  }

  public static boolean ewic(String a, String b) {
    return endsWithIgnoreCase(a, b);
  }

  public static boolean ewic(String a, String b, Matches m) {
    return endsWithIgnoreCase(a, b, m);
  }

  public static boolean containsNewLines(String s) {
    return containsNewLine(s);
  }

  public static String jlabel_textAsHTML_center(String text) {
    return "<html><div style=\"text-align: center;\">" + replace(htmlencode(text), "\n", "<br>") + "</div></html>";
  }

  public static JTextField standardTextFieldPopupMenu(final JTextField tf) {
    final WeakReference<JTextField> ref = weakRef(tf);
    componentPopupMenuItem(tf, "Copy text to clipboard", new Runnable() {

      public void run() {
        try {
          copyTextToClipboard(ref.get().getText());
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "copyTextToClipboard(ref.get().getText())";
      }
    });
    componentPopupMenuItem(tf, "Paste", new Runnable() {

      public void run() {
        try {
          ref.get().paste();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ref.get().paste()";
      }
    });
    return tf;
  }

  public static <A extends JTextComponent> A jenableUndoRedo(final A textcomp) {
    {
      swing(new Runnable() {

        public void run() {
          try {
            final UndoManager undo = new UndoManager();
            vm_generalWeakSet("Undo Managers").add(undo);
            textcomp.getDocument().addUndoableEditListener(new UndoableEditListener() {

              public void undoableEditHappened(UndoableEditEvent evt) {
                undo.addEdit(evt.getEdit());
              }
            });
            textcomp.getActionMap().put("Undo", abstractAction("Undo", new Runnable() {

              public void run() {
                try {
                  if (undo.canUndo())
                    undo.undo();
                } catch (Exception __e) {
                  throw rethrow(__e);
                }
              }

              public String toString() {
                return "if (undo.canUndo()) undo.undo()";
              }
            }));
            textcomp.getActionMap().put("Redo", abstractAction("Redo", new Runnable() {

              public void run() {
                try {
                  if (undo.canRedo())
                    undo.redo();
                } catch (Exception __e) {
                  throw rethrow(__e);
                }
              }

              public String toString() {
                return "if (undo.canRedo()) undo.redo()";
              }
            }));
            textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo");
            textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Y"), "Redo");
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "final new UndoManager undo;\r\n    vm_generalWeakSet(\"Undo Managers\").add(undo)...";
        }
      });
    }
    return textcomp;
  }

  public static String strOrEmpty(Object o) {
    return o == null ? "" : str(o);
  }

  public static <A extends JTextComponent> A setTextKeepCaret(final String text, final A c) {
    if (c != null) {
      swing(new Runnable() {

        public void run() {
          try {
            int caret = c.getCaretPosition();
            setText(c, text);
            setCaretPosition(c, caret);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "int caret = c.getCaretPosition();\r\n    setText(c, text);\r\n    setCaretPositio...";
        }
      });
    }
    return c;
  }

  public static <A extends JTextComponent> A setTextKeepCaret(A c, String text) {
    return setTextKeepCaret(text, c);
  }

  public static <A extends JSpinner> A onChange(A spinner, Object r) {
    {
      swing(new Runnable() {

        public void run() {
          try {
            spinner.addChangeListener(changeListener(r));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "spinner.addChangeListener(changeListener(r));";
        }
      });
    }
    return spinner;
  }

  public static <A extends AbstractButton> A onChange(A b, Object r) {
    {
      swing(new Runnable() {

        public void run() {
          try {
            b.addItemListener(itemListener(r));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "b.addItemListener(itemListener(r));";
        }
      });
    }
    return b;
  }

  public static void onChange(JTextComponent tc, Object r) {
    onUpdate(tc, r);
  }

  public static <A extends JSlider> A onChange(A slider, final Object r) {
    {
      swing(new Runnable() {

        public void run() {
          try {
            slider.addChangeListener(changeListener(r));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "slider.addChangeListener(changeListener(r));";
        }
      });
    }
    return slider;
  }

  public static JComboBox onChange(Object r, JComboBox cb) {
    return onChange(cb, r);
  }

  public static JComboBox onChange(JComboBox cb, final Object r) {
    if (isEditableComboBox(cb))
      onChange(textFieldFromComboBox(cb), r);
    else
      onSelectedItem(cb, new VF1<String>() {

        public void get(String s) {
          try {
            callF(r);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "callF(r)";
        }
      });
    return cb;
  }

  public static String getText(final AbstractButton c) {
    return c == null ? "" : (String) swingAndWait(new F0<Object>() {

      public Object get() {
        try {
          return c.getText();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret c.getText();";
      }
    });
  }

  public static String getText(final JTextComponent c) {
    return c == null ? "" : (String) swingAndWait(new F0<Object>() {

      public Object get() {
        try {
          return c.getText();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret c.getText();";
      }
    });
  }

  public static String getText(final JLabel l) {
    return l == null ? "" : (String) swingAndWait(new F0<Object>() {

      public Object get() {
        try {
          return l.getText();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret l.getText();";
      }
    });
  }

  public static String getText(final JComboBox cb) {
    if (cb == null)
      return null;
    if (isEditableComboBox(cb))
      return unnull((String) cb.getEditor().getItem());
    else
      return str(cb.getSelectedItem());
  }

  public static void lockOrFail(Lock lock, long timeout) {
    try {
      ping();
      if (!lock.tryLock(timeout, TimeUnit.MILLISECONDS)) {
        String s = "Couldn't acquire lock after " + timeout + " ms.";
        if (lock instanceof ReentrantLock) {
          ReentrantLock l = (ReentrantLock) lock;
          s += " Hold count: " + l.getHoldCount() + ", owner: " + call(l, "getOwner");
        }
        throw fail(s);
      }
      ping();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static ReentrantLock fairLock() {
    return new ReentrantLock(true);
  }

  public static boolean headless() {
    return isHeadless();
  }

  public static Throwable innerException2(Throwable e) {
    if (e == null)
      return null;
    while (empty(e.getMessage()) && e.getCause() != null) e = e.getCause();
    return e;
  }

  public static String assertIsIdentifier(String s) {
    if (!isIdentifier(s))
      throw fail("Not an identifier: " + quote(s));
    return s;
  }

  public static String assertIsIdentifier(String msg, String s) {
    if (!isIdentifier(s))
      throw fail(msg + " - Not an identifier: " + quote(s));
    return s;
  }

  public static WeakReference<Object> creator_class;

  public static Object creator() {
    return creator_class == null ? null : creator_class.get();
  }

  public static Object loadJSONPage(String url) {
    return jsonDecode(loadPage(url));
  }

  public static boolean agiBlueURL_noHTTPS = false;

  public static String agiBlueURL_url = "https://agi.blue";

  public static String agiBlueURL() {
    return agiBlueURL_noHTTPS ? replacePrefix("https://", "http://", agiBlueURL_url) : agiBlueURL_url;
  }

  public static String addSlashPrefix(String s) {
    return addPrefix("/", s);
  }

  public static String hquery(Map params) {
    return htmlQuery(params);
  }

  public static String hquery(Object... data) {
    return htmlQuery(data);
  }

  public static Object[] concatArrays(Object[]... arrays) {
    int l = 0;
    for (Object[] a : arrays) l += l(a);
    Object[] x = new Object[l];
    int i = 0;
    for (Object[] a : arrays) if (a != null) {
      System.arraycopy(a, 0, x, i, l(a));
      i += l(a);
    }
    return x;
  }

  public static Object[] assertEvenLength(Object[] a) {
    assertTrue(even(l(a)));
    return a;
  }

  public static Class<?> _getClass(String name) {
    try {
      return Class.forName(name);
    } catch (ClassNotFoundException e) {
      return null;
    }
  }

  public static Class _getClass(Object o) {
    return o == null ? null : o instanceof Class ? (Class) o : o.getClass();
  }

  public static Class _getClass(Object realm, String name) {
    try {
      return getClass(realm).getClassLoader().loadClass(classNameToVM(name));
    } catch (ClassNotFoundException e) {
      return null;
    }
  }

  public static void vmBus_send(String msg, Object... args) {
    Object arg = vmBus_wrapArgs(args);
    pcallFAll(vm_busListeners_live(), msg, arg);
    pcallFAll(vm_busListenersByMessage_live().get(msg), msg, arg);
  }

  public static void vmBus_send(String msg) {
    vmBus_send(msg, (Object) null);
  }

  public static <A, B> LinkedHashMap<A, B> asLinkedHashMap(Map<A, B> map) {
    if (map instanceof LinkedHashMap)
      return (LinkedHashMap) map;
    LinkedHashMap<A, B> m = new LinkedHashMap();
    if (map != null)
      synchronized (collectionMutex(map)) {
        m.putAll(map);
      }
    return m;
  }

  public static Map synchroHashMap() {
    return Collections.synchronizedMap(new HashMap());
  }

  public static Producer<String> javaTokC_noMLS_iterator(final String s) {
    return javaTokC_noMLS_iterator(s, 0);
  }

  public static Producer<String> javaTokC_noMLS_iterator(final String s, final int startIndex) {
    return new Producer<String>() {

      public final int l = s.length();

      public int i = startIndex;

      public String next() {
        if (i >= l)
          return null;
        int j = i;
        char c, d;
        while (j < l) {
          c = s.charAt(j);
          d = j + 1 >= l ? '\0' : s.charAt(j + 1);
          if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
            ++j;
          else if (c == '/' && d == '*') {
            do ++j; while (j < l && !s.substring(j, Math.min(j + 2, l)).equals("*/"));
            j = Math.min(j + 2, l);
          } else if (c == '/' && d == '/') {
            do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
          } else
            break;
        }
        i = j;
        if (i >= l)
          return null;
        c = s.charAt(i);
        d = i + 1 >= l ? '\0' : s.charAt(i + 1);
        if (c == '\'' || c == '"') {
          char opener = c;
          ++j;
          while (j < l) {
            if (s.charAt(j) == opener || s.charAt(j) == '\n') {
              ++j;
              break;
            } else if (s.charAt(j) == '\\' && j + 1 < l)
              j += 2;
            else
              ++j;
          }
        } else if (Character.isJavaIdentifierStart(c))
          do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0));
        else if (Character.isDigit(c)) {
          do ++j; while (j < l && Character.isDigit(s.charAt(j)));
          if (j < l && s.charAt(j) == 'L')
            ++j;
        } else
          ++j;
        String t = quickSubstring(s, i, j);
        i = j;
        return t;
      }
    };
  }

  public static Producer<String> javaTokC_noMLS_onReader(final BufferedReader r) {
    final class X implements Producer<String> {

      public StringBuilder buf = new StringBuilder();

      public char c, d, e = 'x';

      public X() {
        nc();
        nc();
        nc();
      }

      public void nc() {
        try {
          c = d;
          d = e;
          if (e == '\0')
            return;
          int i = r.read();
          e = i < 0 ? '\0' : i == '\0' ? '_' : (char) i;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public void ncSave() {
        if (c != '\0') {
          buf.append(c);
          nc();
        }
      }

      public String next() {
        while (c != '\0') {
          if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
            nc();
          else if (c == '/' && d == '*') {
            do nc(); while (c != '\0' && !(c == '*' && d == '/'));
            nc();
            nc();
          } else if (c == '/' && d == '/') {
            do nc(); while (c != '\0' && "\r\n".indexOf(c) < 0);
          } else
            break;
        }
        if (c == '\0')
          return null;
        if (c == '\'' || c == '"') {
          char opener = c;
          ncSave();
          while (c != '\0') {
            if (c == opener || c == '\n') {
              ncSave();
              break;
            } else if (c == '\\') {
              ncSave();
              ncSave();
            } else
              ncSave();
          }
        } else if (Character.isJavaIdentifierStart(c))
          do ncSave(); while (Character.isJavaIdentifierPart(c) || c == '\'');
        else if (Character.isDigit(c)) {
          do ncSave(); while (Character.isDigit(c));
          if (c == 'L')
            ncSave();
        } else
          ncSave();
        String t = buf.toString();
        buf.setLength(0);
        return t;
      }
    }
    return new X();
  }

  public static String unquoteUsingCharArray(String s, char[] buf) {
    if (s == null)
      return null;
    if (startsWith(s, '[')) {
      int i = 1;
      while (i < s.length() && s.charAt(i) == '=') ++i;
      if (i < s.length() && s.charAt(i) == '[') {
        String m = s.substring(1, i);
        if (s.endsWith("]" + m + "]"))
          return s.substring(i + 1, s.length() - i - 1);
      }
    }
    if (s.length() > 1) {
      char c = s.charAt(0);
      if (c == '\"' || c == '\'') {
        int l = endsWith(s, c) ? s.length() - 1 : s.length();
        if (l > buf.length)
          return unquote(s);
        int n = 0;
        for (int i = 1; i < l; i++) {
          char ch = s.charAt(i);
          if (ch == '\\') {
            char nextChar = (i == l - 1) ? '\\' : s.charAt(i + 1);
            if (nextChar >= '0' && nextChar <= '7') {
              String code = "" + nextChar;
              i++;
              if ((i < l - 1) && s.charAt(i + 1) >= '0' && s.charAt(i + 1) <= '7') {
                code += s.charAt(i + 1);
                i++;
                if ((i < l - 1) && s.charAt(i + 1) >= '0' && s.charAt(i + 1) <= '7') {
                  code += s.charAt(i + 1);
                  i++;
                }
              }
              buf[n++] = (char) Integer.parseInt(code, 8);
              continue;
            }
            switch(nextChar) {
              case '\"':
                ch = '\"';
                break;
              case '\\':
                ch = '\\';
                break;
              case 'b':
                ch = '\b';
                break;
              case 'f':
                ch = '\f';
                break;
              case 'n':
                ch = '\n';
                break;
              case 'r':
                ch = '\r';
                break;
              case 't':
                ch = '\t';
                break;
              case '\'':
                ch = '\'';
                break;
              case 'u':
                if (i >= l - 5) {
                  ch = 'u';
                  break;
                }
                int code = Integer.parseInt("" + s.charAt(i + 2) + s.charAt(i + 3) + s.charAt(i + 4) + s.charAt(i + 5), 16);
                char[] x = Character.toChars(code);
                int lx = x.length;
                for (int j = 0; j < lx; j++) buf[n++] = x[j];
                i += 5;
                continue;
              default:
                ch = nextChar;
            }
            i++;
          }
          buf[n++] = ch;
        }
        return new String(buf, 0, n);
      }
    }
    return s;
  }

  public static boolean structure_isMarker(String s, int i, int j) {
    if (i >= j)
      return false;
    if (s.charAt(i) != 'm')
      return false;
    ++i;
    while (i < j) {
      char c = s.charAt(i);
      if (c < '0' || c > '9')
        return false;
      ++i;
    }
    return true;
  }

  public static String internIfLongerThan(String s, int l) {
    return s == null ? null : l(s) >= l ? intern(s) : s;
  }

  public static String unquote(String s) {
    if (s == null)
      return null;
    if (startsWith(s, '[')) {
      int i = 1;
      while (i < s.length() && s.charAt(i) == '=') ++i;
      if (i < s.length() && s.charAt(i) == '[') {
        String m = s.substring(1, i);
        if (s.endsWith("]" + m + "]"))
          return s.substring(i + 1, s.length() - i - 1);
      }
    }
    if (s.length() > 1) {
      char c = s.charAt(0);
      if (c == '\"' || c == '\'') {
        int l = endsWith(s, c) ? s.length() - 1 : s.length();
        StringBuilder sb = new StringBuilder(l - 1);
        for (int i = 1; i < l; i++) {
          char ch = s.charAt(i);
          if (ch == '\\') {
            char nextChar = (i == l - 1) ? '\\' : s.charAt(i + 1);
            if (nextChar >= '0' && nextChar <= '7') {
              String code = "" + nextChar;
              i++;
              if ((i < l - 1) && s.charAt(i + 1) >= '0' && s.charAt(i + 1) <= '7') {
                code += s.charAt(i + 1);
                i++;
                if ((i < l - 1) && s.charAt(i + 1) >= '0' && s.charAt(i + 1) <= '7') {
                  code += s.charAt(i + 1);
                  i++;
                }
              }
              sb.append((char) Integer.parseInt(code, 8));
              continue;
            }
            switch(nextChar) {
              case '\"':
                ch = '\"';
                break;
              case '\\':
                ch = '\\';
                break;
              case 'b':
                ch = '\b';
                break;
              case 'f':
                ch = '\f';
                break;
              case 'n':
                ch = '\n';
                break;
              case 'r':
                ch = '\r';
                break;
              case 't':
                ch = '\t';
                break;
              case '\'':
                ch = '\'';
                break;
              case 'u':
                if (i >= l - 5) {
                  ch = 'u';
                  break;
                }
                int code = Integer.parseInt("" + s.charAt(i + 2) + s.charAt(i + 3) + s.charAt(i + 4) + s.charAt(i + 5), 16);
                sb.append(Character.toChars(code));
                i += 5;
                continue;
              default:
                ch = nextChar;
            }
            i++;
          }
          sb.append(ch);
        }
        return sb.toString();
      }
    }
    return s;
  }

  public static char unquoteCharacter(String s) {
    assertTrue(s.startsWith("'") && s.length() > 1);
    return unquote("\"" + s.substring(1, s.endsWith("'") ? s.length() - 1 : s.length()) + "\"").charAt(0);
  }

  public static double parseDouble(String s) {
    return Double.parseDouble(s);
  }

  public static float parseFloat(String s) {
    return Float.parseFloat(s);
  }

  public static boolean isLongConstant(String s) {
    if (!s.endsWith("L"))
      return false;
    s = s.substring(0, l(s) - 1);
    return isInteger(s);
  }

  public static boolean isInteger(String s) {
    int n = l(s);
    if (n == 0)
      return false;
    int i = 0;
    if (s.charAt(0) == '-')
      if (++i >= n)
        return false;
    while (i < n) {
      char c = s.charAt(i);
      if (c < '0' || c > '9')
        return false;
      ++i;
    }
    return true;
  }

  public static <A> TreeMap<String, A> ciMap() {
    return caseInsensitiveMap();
  }

  public static List parseList(String s) {
    return (List) safeUnstructure(s);
  }

  public static <A> List<A> synchroLinkedList() {
    return Collections.synchronizedList(new LinkedList<A>());
  }

  public static byte[] hexToBytes(String s) {
    if (odd(l(s)))
      throw fail("Hex string has odd length: " + quote(shorten(10, s)));
    int n = l(s) / 2;
    byte[] bytes = new byte[n];
    for (int i = 0; i < n; i++) {
      int a = parseHexChar(s.charAt(i * 2));
      int b = parseHexChar(s.charAt(i * 2 + 1));
      if (a < 0 || b < 0)
        throw fail("Bad hex byte: " + quote(substring(s, i * 2, i * 2 + 2)) + " at " + i * 2 + "/" + l(s));
      bytes[i] = (byte) ((a << 4) | b);
    }
    return bytes;
  }

  public static boolean[] boolArrayFromBytes(byte[] a, int n) {
    boolean[] b = new boolean[n];
    int m = min(n, l(a) * 8);
    for (int i = 0; i < m; i++) b[i] = (a[i / 8] & 1 << (i & 7)) != 0;
    return b;
  }

  public static <A> A nuStubInnerObject(Class<A> c) {
    return nuStubInnerObject(c, null);
  }

  public static <A> A nuStubInnerObject(Class<A> c, Object classFinder) {
    try {
      Class outerType = getOuterClass(c, classFinder);
      Constructor m = c.getDeclaredConstructor(outerType);
      makeAccessible(m);
      return (A) m.newInstance(new Object[] { null });
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Map<Class, Constructor> nuEmptyObject_cache = newDangerousWeakHashMap();

  public static <A> A nuEmptyObject(Class<A> c) {
    try {
      Constructor ctr;
      synchronized (nuEmptyObject_cache) {
        ctr = nuEmptyObject_cache.get(c);
        if (ctr == null) {
          nuEmptyObject_cache.put(c, ctr = nuEmptyObject_findConstructor(c));
          makeAccessible(ctr);
        }
      }
      try {
        return (A) ctr.newInstance();
      } catch (InstantiationException e) {
        if (empty(e.getMessage()))
          if ((c.getModifiers() & Modifier.ABSTRACT) != 0)
            throw fail("Can't instantiate abstract class " + className(c), e);
          else
            throw fail("Can't instantiate " + className(c), e);
        else
          throw rethrow(e);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Constructor nuEmptyObject_findConstructor(Class c) {
    for (Constructor m : c.getDeclaredConstructors()) if (m.getParameterTypes().length == 0)
      return m;
    throw fail("No default constructor declared in " + c.getName());
  }

  public static HashMap<String, Class> findClass_cache = new HashMap();

  public static Class findClass(String name) {
    synchronized (findClass_cache) {
      if (findClass_cache.containsKey(name))
        return findClass_cache.get(name);
      if (!isJavaIdentifier(name))
        return null;
      Class c;
      try {
        c = Class.forName("main$" + name);
      } catch (ClassNotFoundException e) {
        c = null;
      }
      findClass_cache.put(name, c);
      return c;
    }
  }

  public static String quote(Object o) {
    if (o == null)
      return "null";
    return quote(str(o));
  }

  public static String quote(String s) {
    if (s == null)
      return "null";
    StringBuilder out = new StringBuilder((int) (l(s) * 1.5 + 2));
    quote_impl(s, out);
    return out.toString();
  }

  public static void quote_impl(String s, StringBuilder out) {
    out.append('"');
    int l = s.length();
    for (int i = 0; i < l; i++) {
      char c = s.charAt(i);
      if (c == '\\' || c == '"')
        out.append('\\').append(c);
      else if (c == '\r')
        out.append("\\r");
      else if (c == '\n')
        out.append("\\n");
      else if (c == '\0')
        out.append("\\0");
      else
        out.append(c);
    }
    out.append('"');
  }

  public static void setOptAllDyn(DynamicObject o, Map<String, Object> fields) {
    if (fields == null)
      return;
    HashMap<String, Field> fieldMap = instanceFieldsMap(o);
    for (Map.Entry<String, Object> e : fields.entrySet()) {
      String field = e.getKey();
      Object val = e.getValue();
      boolean has = fieldMap.containsKey(field);
      if (has)
        setOpt(o, field, val);
      else {
        o.fieldValues = syncMapPut2_createLinkedHashMap(o.fieldValues, intern(field), val);
      }
    }
  }

  public static void setOptAll_pcall(Object o, Map<String, Object> fields) {
    if (fields == null)
      return;
    for (String field : keys(fields)) try {
      setOpt(o, field, fields.get(field));
    } catch (Throwable __e) {
      print(exceptionToStringShort(__e));
    }
  }

  public static void setOptAll_pcall(Object o, Object... values) {
    warnIfOddCount(values);
    for (int i = 0; i + 1 < l(values); i += 2) {
      String field = (String) values[i];
      Object value = values[i + 1];
      try {
        setOpt(o, field, value);
      } catch (Throwable __e) {
        print(exceptionToStringShort(__e));
      }
    }
  }

  public static void fixOuterRefs(Object o) {
    try {
      if (o == null)
        return;
      Field[] l = thisDollarOneFields(o.getClass());
      if (l.length <= 1)
        return;
      Object father = null;
      for (Field f : l) {
        father = f.get(o);
        if (father != null)
          break;
      }
      if (father == null)
        return;
      for (Field f : l) f.set(o, father);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void setDynObjectValue(DynamicObject o, String field, Object value) {
    o.fieldValues = syncMapPut2_createLinkedHashMap(o.fieldValues, field, value);
  }

  public static String intern(String s) {
    return fastIntern(s);
  }

  public static void pcallOpt_noArgs(Object o, String method) {
    try {
      callOpt_noArgs(o, method);
    } catch (Throwable __e) {
      _handleException(__e);
    }
  }

  public static <A> List<A> subList(List<A> l, int startIndex) {
    return subList(l, startIndex, l(l));
  }

  public static <A> List<A> subList(int startIndex, int endIndex, List<A> l) {
    return subList(l, startIndex, endIndex);
  }

  public static <A> List<A> subList(List<A> l, int startIndex, int endIndex) {
    if (l == null)
      return null;
    int n = l(l);
    startIndex = Math.max(0, startIndex);
    endIndex = Math.min(n, endIndex);
    if (startIndex >= endIndex)
      return ll();
    if (startIndex == 0 && endIndex == n)
      return l;
    return l.subList(startIndex, endIndex);
  }

  public static <A> List<A> subList(List<A> l, IntRange r) {
    return subList(l, r.start, r.end);
  }

  public static int[] toIntArray(List<Integer> l) {
    int[] a = new int[l(l)];
    for (int i = 0; i < a.length; i++) a[i] = l.get(i);
    return a;
  }

  public static TreeSet<String> ciSet() {
    return caseInsensitiveSet();
  }

  public static boolean jmatch(String pat, String s) {
    return jmatch(pat, s, null);
  }

  public static boolean jmatch(String pat, String s, Matches matches) {
    if (s == null)
      return false;
    return jmatch(pat, javaTok(s), matches);
  }

  public static boolean jmatch(String pat, List<String> toks) {
    return jmatch(pat, toks, null);
  }

  public static boolean jmatch(String pat, List<String> toks, Matches matches) {
    List<String> tokpat = javaTok(pat);
    String[] m = match2(tokpat, toks);
    if (m == null)
      return false;
    else {
      if (matches != null)
        matches.m = m;
      return true;
    }
  }

  public static <A> Set<A> synchronizedSet() {
    return synchroHashSet();
  }

  public static <A> Set<A> synchronizedSet(Set<A> set) {
    return Collections.synchronizedSet(set);
  }

  public static <A> Set<A> identityHashSet() {
    return Collections.newSetFromMap(new IdentityHashMap());
  }

  public static <A> Iterator<A> iterator(Iterable<A> c) {
    return c == null ? emptyIterator() : c.iterator();
  }

  public static char charAt(String s, int i) {
    return s != null && i >= 0 && i < s.length() ? s.charAt(i) : '\0';
  }

  public static <A> A _get(List<A> l, int idx) {
    return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null;
  }

  public static Object _get(Object o, String field) {
    return get(o, field);
  }

  public static Object _get(String field, Object o) {
    return get(o, field);
  }

  public static <A> A _get(A[] l, int idx) {
    return idx >= 0 && idx < l(l) ? l[idx] : null;
  }

  public static boolean eqic(String a, String b) {
    if ((a == null) != (b == null))
      return false;
    if (a == null)
      return true;
    return a.equalsIgnoreCase(b);
  }

  public static boolean eqic(char a, char b) {
    if (a == b)
      return true;
    char u1 = Character.toUpperCase(a);
    char u2 = Character.toUpperCase(b);
    if (u1 == u2)
      return true;
    return Character.toLowerCase(u1) == Character.toLowerCase(u2);
  }

  public static File getProgramFile(String progID, String fileName) {
    if (new File(fileName).isAbsolute())
      return new File(fileName);
    return new File(getProgramDir(progID), fileName);
  }

  public static File getProgramFile(String fileName) {
    return getProgramFile(getProgramID(), fileName);
  }

  public static Lock appendToFile_lock = lock();

  public static boolean appendToFile_keepOpen = false;

  public static HashMap<String, Writer> appendToFile_writers = new HashMap();

  public static void appendToFile(String path, String s) {
    try {
      Lock __1030 = appendToFile_lock;
      lock(__1030);
      try {
        mkdirsForFile(new File(path));
        path = getCanonicalPath(path);
        Writer writer = appendToFile_writers.get(path);
        if (writer == null) {
          writer = new BufferedWriter(new OutputStreamWriter(newFileOutputStream(path, true), "UTF-8"));
          if (appendToFile_keepOpen)
            appendToFile_writers.put(path, writer);
        }
        writer.write(s);
        if (!appendToFile_keepOpen)
          writer.close();
      } finally {
        unlock(__1030);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void appendToFile(File path, String s) {
    if (path != null)
      appendToFile(path.getPath(), s);
  }

  public static void cleanMeUp_appendToFile() {
    AutoCloseable __1032 = tempCleaningUp();
    try {
      Lock __1031 = appendToFile_lock;
      lock(__1031);
      try {
        closeAllWriters(values(appendToFile_writers));
        appendToFile_writers.clear();
      } finally {
        unlock(__1031);
      }
    } finally {
      _close(__1032);
    }
  }

  public static String actualUserHome_value;

  public static String actualUserHome() {
    if (actualUserHome_value == null) {
      if (isAndroid())
        actualUserHome_value = "/storage/emulated/0/";
      else
        actualUserHome_value = System.getProperty("user.home");
    }
    return actualUserHome_value;
  }

  public static File actualUserHome(String sub) {
    return newFile(new File(actualUserHome()), sub);
  }

  public static File userDir() {
    return new File(userHome());
  }

  public static File userDir(String path) {
    return new File(userHome(), path);
  }

  public static JTextArea jTextArea() {
    return jTextArea("");
  }

  public static JTextArea jTextArea(final String text) {
    return jTextAreaWithUndo(text);
  }

  public static KeyListener enterKeyListener(final Object action) {
    return new KeyAdapter() {

      public void keyPressed(KeyEvent ke) {
        if (ke.getKeyCode() == KeyEvent.VK_ENTER)
          pcallF(action);
      }
    };
  }

  public static Runnable rCallOnSelectedListItem(final JList list, final Object action) {
    return new Runnable() {

      public void run() {
        try {
          pcallF(action, getSelectedItem(list));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "pcallF(action, getSelectedItem(list))";
      }
    };
  }

  public static AbstractAction abstractAction(String name, final Object runnable) {
    return new AbstractAction(name) {

      public void actionPerformed(ActionEvent evt) {
        pcallF(runnable);
      }
    };
  }

  public static int max(int a, int b) {
    return Math.max(a, b);
  }

  public static int max(int a, int b, int c) {
    return max(max(a, b), c);
  }

  public static long max(int a, long b) {
    return Math.max((long) a, b);
  }

  public static long max(long a, long b) {
    return Math.max(a, b);
  }

  public static double max(int a, double b) {
    return Math.max((double) a, b);
  }

  public static float max(float a, float b) {
    return Math.max(a, b);
  }

  public static double max(double a, double b) {
    return Math.max(a, b);
  }

  public static int max(Collection<Integer> c) {
    int x = Integer.MIN_VALUE;
    for (int i : c) x = max(x, i);
    return x;
  }

  public static double max(double[] c) {
    if (c.length == 0)
      return Double.MIN_VALUE;
    double x = c[0];
    for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]);
    return x;
  }

  public static float max(float[] c) {
    if (c.length == 0)
      return Float.MAX_VALUE;
    float x = c[0];
    for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]);
    return x;
  }

  public static byte max(byte[] c) {
    byte x = -128;
    for (byte d : c) if (d > x)
      x = d;
    return x;
  }

  public static short max(short[] c) {
    short x = -0x8000;
    for (short d : c) if (d > x)
      x = d;
    return x;
  }

  public static int max(int[] c) {
    int x = Integer.MIN_VALUE;
    for (int d : c) if (d > x)
      x = d;
    return x;
  }

  public static Object callFunction(Object f, Object... args) {
    return callF(f, args);
  }

  public static Comparator makeComparator(final Object f) {
    if (f instanceof Comparator)
      return (Comparator) f;
    return new Comparator() {

      public int compare(Object a, Object b) {
        return (Integer) callF(f, a, b);
      }
    };
  }

  public static <A> List<A> filter(Iterable<A> c, Object pred) {
    if (pred instanceof F1)
      return filter(c, (F1<A, Boolean>) pred);
    List x = new ArrayList();
    if (c != null)
      for (Object o : c) if (isTrue(callF(pred, o)))
        x.add(o);
    return x;
  }

  public static List filter(Object pred, Iterable c) {
    return filter(c, pred);
  }

  public static <A, B extends A> List<B> filter(Iterable<B> c, F1<A, Boolean> pred) {
    List x = new ArrayList();
    if (c != null)
      for (B o : c) if (pred.get(o))
        x.add(o);
    return x;
  }

  public static <A, B extends A> List<B> filter(F1<A, Boolean> pred, Iterable<B> c) {
    return filter(c, pred);
  }

  public static <A, B extends A> List<B> filter(Iterable<B> c, IF1<A, Boolean> pred) {
    List x = new ArrayList();
    if (c != null)
      for (B o : c) if (pred.get(o))
        x.add(o);
    return x;
  }

  public static <A, B extends A> List<B> filter(IF1<A, Boolean> pred, Iterable<B> c) {
    return filter(c, pred);
  }

  public static List<String> allMethodNames(Object o) {
    Class c = _getClass(o);
    TreeSet<String> names = new TreeSet();
    while (c != null) {
      for (Method m : c.getDeclaredMethods()) names.add(m.getName());
      c = c.getSuperclass();
    }
    return asList(names);
  }

  public static String formatWithThousandsSeparator(long l) {
    return NumberFormat.getInstance(new Locale("en_US")).format(l);
  }

  public static String trim(String s) {
    return s == null ? null : s.trim();
  }

  public static String trim(StringBuilder buf) {
    return buf.toString().trim();
  }

  public static String trim(StringBuffer buf) {
    return buf.toString().trim();
  }

  public static void warnIfOddCount(Object... list) {
    if (odd(l(list)))
      printStackTrace("Odd list size: " + list);
  }

  public static boolean hasLettersAllUpperCase(String s) {
    return hasLetters(s) && !containsLowerCase(s);
  }

  public static Pt pt(int x, int y) {
    return new Pt(x, y);
  }

  public static Pt pt(int x) {
    return new Pt(x, x);
  }

  public static Throwable unwrapTrivialExceptionWraps(Throwable e) {
    if (e == null)
      return e;
    while (e.getClass() == RuntimeException.class && e.getCause() != null && eq(e.getMessage(), str(e.getCause()))) e = e.getCause();
    return e;
  }

  public static String replacePrefix(String prefix, String replacement, String s) {
    if (!startsWith(s, prefix))
      return s;
    return replacement + substring(s, l(prefix));
  }

  public static <A> ArrayList<A> cloneListSynchronizingOn(Collection<A> l, Object mutex) {
    if (l == null)
      return new ArrayList();
    synchronized (mutex) {
      return new ArrayList<A>(l);
    }
  }

  public static <A> A liftLast(List<A> l) {
    if (l.isEmpty())
      return null;
    int i = l(l) - 1;
    A a = l.get(i);
    l.remove(i);
    return a;
  }

  public static String dropSuffix(String suffix, String s) {
    return s.endsWith(suffix) ? s.substring(0, l(s) - l(suffix)) : s;
  }

  public static List<Class> getClasses(Object[] array) {
    List<Class> l = emptyList(l(array));
    for (Object o : array) l.add(_getClass(o));
    return l;
  }

  public static Method findMethod(Object o, String method, Object... args) {
    return findMethod_cached(o, method, args);
  }

  public static boolean findMethod_checkArgs(Method m, Object[] args, boolean debug) {
    Class<?>[] types = m.getParameterTypes();
    if (types.length != args.length) {
      if (debug)
        System.out.println("Bad parameter length: " + args.length + " vs " + types.length);
      return false;
    }
    for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) {
      if (debug)
        System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]);
      return false;
    }
    return true;
  }

  public static boolean odd(int i) {
    return (i & 1) != 0;
  }

  public static boolean odd(long i) {
    return (i & 1) != 0;
  }

  public static boolean odd(BigInteger i) {
    return odd(toInt(i));
  }

  public static int findEndOfCurlyBracketPart(List<String> cnc, int i) {
    int j = i + 2, level = 1;
    while (j < cnc.size()) {
      if (eq(cnc.get(j), "{"))
        ++level;
      else if (eq(cnc.get(j), "}"))
        --level;
      if (level == 0)
        return j + 1;
      ++j;
    }
    return cnc.size();
  }

  public static String joinSubList(List<String> l, int i, int j) {
    return join(subList(l, i, j));
  }

  public static String joinSubList(List<String> l, int i) {
    return join(subList(l, i));
  }

  public static String joinSubList(List<String> l, IntRange r) {
    return r == null ? null : joinSubList(l, r.start, r.end);
  }

  public static String javaTok_substringN(String s, int i, int j) {
    if (i == j)
      return "";
    if (j == i + 1 && s.charAt(i) == ' ')
      return " ";
    return s.substring(i, j);
  }

  public static String javaTok_substringC(String s, int i, int j) {
    return s.substring(i, j);
  }

  public static List<String> javaTokWithExisting(String s, List<String> existing) {
    ++javaTok_n;
    int nExisting = javaTok_opt && existing != null ? existing.size() : 0;
    ArrayList<String> tok = existing != null ? new ArrayList(nExisting) : new ArrayList();
    int l = s.length();
    int i = 0, n = 0;
    while (i < l) {
      int j = i;
      char c, d;
      while (j < l) {
        c = s.charAt(j);
        d = j + 1 >= l ? '\0' : s.charAt(j + 1);
        if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
          ++j;
        else if (c == '/' && d == '*') {
          do ++j; while (j < l && !s.substring(j, Math.min(j + 2, l)).equals("*/"));
          j = Math.min(j + 2, l);
        } else if (c == '/' && d == '/') {
          do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
        } else
          break;
      }
      if (n < nExisting && javaTokWithExisting_isCopyable(existing.get(n), s, i, j))
        tok.add(existing.get(n));
      else
        tok.add(javaTok_substringN(s, i, j));
      ++n;
      i = j;
      if (i >= l)
        break;
      c = s.charAt(i);
      d = i + 1 >= l ? '\0' : s.charAt(i + 1);
      if (c == '\'' && Character.isJavaIdentifierStart(d) && i + 2 < l && "'\\".indexOf(s.charAt(i + 2)) < 0) {
        j += 2;
        while (j < l && Character.isJavaIdentifierPart(s.charAt(j))) ++j;
      } else if (c == '\'' || c == '"') {
        char opener = c;
        ++j;
        while (j < l) {
          if (s.charAt(j) == opener) {
            ++j;
            break;
          } else if (s.charAt(j) == '\\' && j + 1 < l)
            j += 2;
          else
            ++j;
        }
      } else if (Character.isJavaIdentifierStart(c))
        do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0));
      else if (Character.isDigit(c)) {
        do ++j; while (j < l && Character.isDigit(s.charAt(j)));
        if (j < l && s.charAt(j) == 'L')
          ++j;
      } else if (c == '[' && d == '[') {
        do ++j; while (j + 1 < l && !s.substring(j, j + 2).equals("]]"));
        j = Math.min(j + 2, l);
      } else if (c == '[' && d == '=' && i + 2 < l && s.charAt(i + 2) == '[') {
        do ++j; while (j + 2 < l && !s.substring(j, j + 3).equals("]=]"));
        j = Math.min(j + 3, l);
      } else
        ++j;
      if (n < nExisting && javaTokWithExisting_isCopyable(existing.get(n), s, i, j))
        tok.add(existing.get(n));
      else
        tok.add(javaTok_substringC(s, i, j));
      ++n;
      i = j;
    }
    if ((tok.size() % 2) == 0)
      tok.add("");
    javaTok_elements += tok.size();
    return tok;
  }

  public static boolean javaTokWithExisting_isCopyable(String t, String s, int i, int j) {
    return t.length() == j - i && s.regionMatches(i, t, 0, j - i);
  }

  public static boolean endsWith(String a, String b) {
    return a != null && a.endsWith(b);
  }

  public static boolean endsWith(String a, char c) {
    return nempty(a) && lastChar(a) == c;
  }

  public static boolean endsWith(String a, String b, Matches m) {
    if (!endsWith(a, b))
      return false;
    m.m = new String[] { dropLast(l(b), a) };
    return true;
  }

  public static <A> List<A> dropFirstAndLast(int n, List<A> l) {
    return new ArrayList(subList(l, n, l(l) - n));
  }

  public static <A> List<A> dropFirstAndLast(List<A> l) {
    return dropFirstAndLast(1, l);
  }

  public static String dropFirstAndLast(String s) {
    return substring(s, 1, l(s) - 1);
  }

  public static boolean startsWithIgnoreCase(String a, String b) {
    return regionMatchesIC(a, 0, b, 0, b.length());
  }

  public static boolean endsWithIgnoreCase(String a, String b) {
    int la = l(a), lb = l(b);
    return la >= lb && regionMatchesIC(a, la - lb, b, 0, lb);
  }

  public static boolean endsWithIgnoreCase(String a, String b, Matches m) {
    if (!endsWithIgnoreCase(a, b))
      return false;
    m.m = new String[] { substring(a, 0, l(a) - l(b)) };
    return true;
  }

  public static boolean containsNewLine(String s) {
    return contains(s, '\n');
  }

  public static <A> List<A> replace(List<A> l, A a, A b) {
    for (int i = 0; i < l(l); i++) if (eq(l.get(i), a))
      l.set(i, b);
    return l;
  }

  public static String replace(String s, String a, String b) {
    return s == null ? null : a == null || b == null ? s : s.replace(a, b);
  }

  public static String replace(String s, char a, char b) {
    return s == null ? null : s.replace(a, b);
  }

  public static String htmlencode(Object o) {
    return htmlencode(str(o));
  }

  public static String htmlencode(String s) {
    if (s == null)
      return "";
    StringBuilder out = new StringBuilder(Math.max(16, s.length()));
    for (int i = 0; i < s.length(); i++) {
      char c = s.charAt(i);
      if (c > 127 || c == '"' || c == '<' || c == '>' || c == '&') {
        int cp = s.codePointAt(i);
        out.append("&#x");
        out.append(intToHex_flexLength(cp));
        out.append(';');
        i += Character.charCount(cp) - 1;
      } else
        out.append(c);
    }
    return out.toString();
  }

  public static <A extends JComponent> A componentPopupMenuItem(A c, final String name, final Object action) {
    componentPopupMenu(c, new VF1<JPopupMenu>() {

      public void get(JPopupMenu menu) {
        try {
          addMenuItem(menu, name, action);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "addMenuItem(menu, name, action);";
      }
    });
    return c;
  }

  public static void componentPopupMenuItem(JComponent c, final JMenuItem menuItem) {
    componentPopupMenu(c, new VF1<JPopupMenu>() {

      public void get(JPopupMenu menu) {
        try {
          addMenuItem(menu, menuItem);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "addMenuItem(menu, menuItem);";
      }
    });
  }

  public static String copyTextToClipboard(Object _text) {
    String text = str(_text);
    StringSelection selection = new StringSelection(text);
    Toolkit.getDefaultToolkit().getSystemClipboard().setContents(selection, selection);
    vmBus_send("newClipboardContents", text);
    return text;
  }

  public static Set vm_generalWeakSet(Object name) {
    synchronized (get(javax(), "generalMap")) {
      Set set = (Set) (vm_generalMap_get(name));
      if (set == null)
        vm_generalMap_put(name, set = newWeakHashSet());
      return set;
    }
  }

  public static void setCaretPosition(final JTextComponent c, final int pos) {
    if (c != null) {
      swing(new Runnable() {

        public void run() {
          try {
            try {
              int _pos = max(0, min(l(c.getText()), pos));
              c.setCaretPosition(_pos);
            } catch (Throwable __e) {
              _handleException(__e);
            }
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "pcall {\r\n      int _pos = max(0, min(l(c.getText()), pos));\r\n      c.setCaret...";
        }
      });
    }
  }

  public static ChangeListener changeListener(final Object r) {
    return new ChangeListener() {

      public void stateChanged(ChangeEvent e) {
        pcallF(r);
      }
    };
  }

  public static ItemListener itemListener(final Object r) {
    return new ItemListener() {

      public void itemStateChanged(ItemEvent e) {
        pcallF(r);
      }
    };
  }

  public static void onUpdate(JComponent c, final Object r) {
    if (c instanceof JTextComponent)
      ((JTextComponent) c).getDocument().addDocumentListener(new DocumentListener() {

        public void insertUpdate(DocumentEvent e) {
          call(r);
        }

        public void removeUpdate(DocumentEvent e) {
          call(r);
        }

        public void changedUpdate(DocumentEvent e) {
          call(r);
        }
      });
    else if (c instanceof ItemSelectable)
      ((ItemSelectable) c).addItemListener(new ItemListener() {

        public void itemStateChanged(ItemEvent e) {
          call(r);
        }
      });
    else
      print("Warning: onUpdate doesn't know " + getClassName(c));
  }

  public static void onUpdate(List<? extends JComponent> l, Object r) {
    for (JComponent c : l) onUpdate(c, r);
  }

  public static boolean isEditableComboBox(final JComboBox cb) {
    return cb != null && swing(new F0<Boolean>() {

      public Boolean get() {
        try {
          return cb.isEditable();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret cb.isEditable();";
      }
    });
  }

  public static JTextField textFieldFromComboBox(JComboBox cb) {
    return (JTextField) cb.getEditor().getEditorComponent();
  }

  public static JComboBox onSelectedItem(final JComboBox cb, final VF1<String> f) {
    addActionListener(cb, new Runnable() {

      public void run() {
        try {
          pcallF(f, selectedItem(cb));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "pcallF(f, selectedItem(cb))";
      }
    });
    return cb;
  }

  public static boolean jsonDecode_useOrderedMaps = true;

  public static Object jsonDecode(final String text) {
    final List<String> tok = jsonTok(text);
    if (l(tok) == 1)
      return null;
    class Y {

      public int i = 1;

      public Object parse() {
        String t = tok.get(i);
        if (t.startsWith("\"")) {
          String s = unquote(tok.get(i));
          i += 2;
          return s;
        }
        if (t.equals("{"))
          return parseMap();
        if (t.equals("["))
          return this.parseList();
        if (t.equals("null")) {
          i += 2;
          return null;
        }
        if (t.equals("false")) {
          i += 2;
          return false;
        }
        if (t.equals("true")) {
          i += 2;
          return true;
        }
        boolean minus = false;
        if (t.equals("-")) {
          minus = true;
          i += 2;
          t = get(tok, i);
        }
        if (isInteger(t)) {
          i += 2;
          if (eq(get(tok, i), ".")) {
            String x = t + "." + get(tok, i + 2);
            i += 4;
            double d = parseDouble(x);
            if (minus)
              d = -d;
            return d;
          } else {
            long l = parseLong(t);
            if (minus)
              l = -l;
            return l != (int) l ? new Long(l) : new Integer((int) l);
          }
        }
        throw new RuntimeException("Unknown token " + (i + 1) + ": " + t + ": " + text);
      }

      public Object parseList() {
        consume("[");
        List list = new ArrayList();
        while (!tok.get(i).equals("]")) {
          list.add(parse());
          if (tok.get(i).equals(","))
            i += 2;
        }
        consume("]");
        return list;
      }

      public Object parseMap() {
        consume("{");
        Map map = jsonDecode_useOrderedMaps ? new LinkedHashMap() : new TreeMap();
        while (!tok.get(i).equals("}")) {
          String key = unquote(tok.get(i));
          i += 2;
          consume(":");
          Object value = parse();
          map.put(key, value);
          if (tok.get(i).equals(","))
            i += 2;
        }
        consume("}");
        return map;
      }

      public void consume(String s) {
        if (!tok.get(i).equals(s)) {
          String prevToken = i - 2 >= 0 ? tok.get(i - 2) : "";
          String nextTokens = join(tok.subList(i, Math.min(i + 4, tok.size())));
          throw fail(quote(s) + " expected: " + prevToken + " " + nextTokens + " (" + i + "/" + tok.size() + ")");
        }
        i += 2;
      }
    }
    return new Y().parse();
  }

  public static String addPrefix(String prefix, String s) {
    return s.startsWith(prefix) ? s : prefix + s;
  }

  public static String htmlQuery(Map params) {
    return empty(params) ? "" : "?" + makePostData(params);
  }

  public static String htmlQuery(Object... data) {
    return empty(data) ? "" : "?" + makePostData(data);
  }

  public static Class<?> getClass(String name) {
    try {
      return Class.forName(name);
    } catch (ClassNotFoundException e) {
      return null;
    }
  }

  public static Class getClass(Object o) {
    return o instanceof Class ? (Class) o : o.getClass();
  }

  public static Class getClass(Object realm, String name) {
    try {
      try {
        return getClass(realm).getClassLoader().loadClass(classNameToVM(name));
      } catch (ClassNotFoundException e) {
        return null;
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String classNameToVM(String name) {
    return name.replace(".", "$");
  }

  public static void pcallFAll(Collection l, Object... args) {
    if (l != null)
      for (Object f : cloneList(l)) pcallF(f, args);
  }

  public static void pcallFAll(Iterator it, Object... args) {
    while (it.hasNext()) pcallF(it.next(), args);
  }

  public static String quickSubstring(String s, int i, int j) {
    if (i == j)
      return "";
    return s.substring(i, j);
  }

  public static <A> TreeMap<String, A> caseInsensitiveMap() {
    return new TreeMap(caseInsensitiveComparator());
  }

  public static Object safeUnstructure(String s) {
    return unstructure(s, true);
  }

  public static int shorten_default = 100;

  public static String shorten(String s) {
    return shorten(s, shorten_default);
  }

  public static String shorten(String s, int max) {
    return shorten(s, max, "...");
  }

  public static String shorten(String s, int max, String shortener) {
    if (s == null)
      return "";
    if (max < 0)
      return s;
    return s.length() <= max ? s : substring(s, 0, min(s.length(), max - l(shortener))) + shortener;
  }

  public static String shorten(int max, String s) {
    return shorten(s, max);
  }

  public static int parseHexChar(char c) {
    if (c >= '0' && c <= '9')
      return charDiff(c, '0');
    if (c >= 'a' && c <= 'f')
      return charDiff(c, 'a') + 10;
    if (c >= 'A' && c <= 'F')
      return charDiff(c, 'A') + 10;
    return -1;
  }

  public static Class getOuterClass(Class c) {
    return getOuterClass(c, null);
  }

  public static Class getOuterClass(Class c, Object classFinder) {
    try {
      String s = c.getName();
      int i = s.lastIndexOf('$');
      String name = substring(s, 0, i);
      if (classFinder != null)
        return (Class) callF(classFinder, name);
      return Class.forName(name);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static HashMap<String, Field> instanceFieldsMap(Object o) {
    Class c = o.getClass();
    HashMap<String, Field> map;
    synchronized (getOpt_cache) {
      map = getOpt_cache.get(c);
      if (map == null)
        map = getOpt_makeCache(c);
    }
    return map;
  }

  public static <A, B> LinkedHashMap<A, B> syncMapPut2_createLinkedHashMap(LinkedHashMap<A, B> map, A key, B value) {
    if (map != null && key != null)
      if (value != null) {
        if (map == null)
          map = new LinkedHashMap();
        synchronized (collectionMutex(map)) {
          map.put(key, value);
        }
      } else
        synchronized (collectionMutex(map)) {
          map.remove(key);
        }
    return map;
  }

  public static Map<Class, Field[]> thisDollarOneFields_cache = newDangerousWeakHashMap();

  public static Field[] thisDollarOneFields(Class c) {
    synchronized (thisDollarOneFields_cache) {
      Field[] l = thisDollarOneFields_cache.get(c);
      if (l == null)
        thisDollarOneFields_cache.put(c, l = thisDollarOneFields_uncached(c));
      return l;
    }
  }

  public static Field[] thisDollarOneFields_uncached(Class c) {
    List<Field> fields = new ArrayList();
    do {
      for (Field f : c.getDeclaredFields()) if (f.getName().equals("this$1"))
        fields.add(makeAccessible(f));
      c = c.getSuperclass();
    } while (c != null);
    return toArray(new Field[l(fields)], fields);
  }

  public static Method fastIntern_method;

  public static String fastIntern(String s) {
    try {
      if (s == null)
        return null;
      if (fastIntern_method == null) {
        fastIntern_method = findMethodNamed(javax(), "internPerProgram");
        if (fastIntern_method == null)
          upgradeJavaXAndRestart();
      }
      return (String) fastIntern_method.invoke(null, s);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Map<Class, HashMap<String, Method>> callOpt_noArgs_cache = newDangerousWeakHashMap();

  public static Object callOpt_noArgs(Object o, String method) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class)
        return callOpt(o, method);
      Class c = o.getClass();
      HashMap<String, Method> map;
      synchronized (callOpt_noArgs_cache) {
        map = callOpt_noArgs_cache.get(c);
        if (map == null)
          map = callOpt_noArgs_makeCache(c);
      }
      Method m = map.get(method);
      return m != null ? m.invoke(o) : null;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static HashMap<String, Method> callOpt_noArgs_makeCache(Class c) {
    HashMap<String, Method> map = new HashMap();
    Class _c = c;
    do {
      for (Method m : c.getDeclaredMethods()) if (m.getParameterTypes().length == 0 && !reflection_isForbiddenMethod(m)) {
        makeAccessible(m);
        String name = m.getName();
        if (!map.containsKey(name))
          map.put(name, m);
      }
      _c = _c.getSuperclass();
    } while (_c != null);
    callOpt_noArgs_cache.put(c, map);
    return map;
  }

  public static TreeSet<String> caseInsensitiveSet() {
    return caseInsensitiveSet_treeSet();
  }

  public static TreeSet<String> caseInsensitiveSet(Collection<String> c) {
    return caseInsensitiveSet_treeSet(c);
  }

  public static String[] match2(List<String> pat, List<String> tok) {
    int i = pat.indexOf("...");
    if (i < 0)
      return match2_match(pat, tok);
    pat = new ArrayList<String>(pat);
    pat.set(i, "*");
    while (pat.size() < tok.size()) {
      pat.add(i, "*");
      pat.add(i + 1, "");
    }
    return match2_match(pat, tok);
  }

  public static String[] match2_match(List<String> pat, List<String> tok) {
    List<String> result = new ArrayList<String>();
    if (pat.size() != tok.size()) {
      return null;
    }
    for (int i = 1; i < pat.size(); i += 2) {
      String p = pat.get(i), t = tok.get(i);
      if (eq(p, "*"))
        result.add(t);
      else if (!equalsIgnoreCase(unquote(p), unquote(t)))
        return null;
    }
    return result.toArray(new String[result.size()]);
  }

  public static <A> Set<A> synchroHashSet() {
    return Collections.synchronizedSet(new HashSet<A>());
  }

  public static Iterator emptyIterator() {
    return Collections.emptyIterator();
  }

  public static String asString(Object o) {
    return o == null ? null : o.toString();
  }

  public static File getProgramDir() {
    return programDir();
  }

  public static File getProgramDir(String snippetID) {
    return programDir(snippetID);
  }

  public static File mkdirsForFile(File file) {
    File dir = file.getParentFile();
    if (dir != null) {
      dir.mkdirs();
      if (!dir.isDirectory())
        if (dir.isFile())
          throw fail("Please delete the file " + f2s(dir) + " - it is supposed to be a directory!");
        else
          throw fail("Unknown IO exception during mkdirs of " + f2s(file));
    }
    return file;
  }

  public static String mkdirsForFile(String path) {
    mkdirsForFile(new File(path));
    return path;
  }

  public static String getCanonicalPath(File f) {
    try {
      return f == null ? null : f.getCanonicalPath();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String getCanonicalPath(String path) {
    return getCanonicalPath(newFile(path));
  }

  public static FileOutputStream newFileOutputStream(File path) throws IOException {
    return newFileOutputStream(path.getPath());
  }

  public static FileOutputStream newFileOutputStream(String path) throws IOException {
    return newFileOutputStream(path, false);
  }

  public static FileOutputStream newFileOutputStream(File path, boolean append) throws IOException {
    return newFileOutputStream(path.getPath(), append);
  }

  public static FileOutputStream newFileOutputStream(String path, boolean append) throws IOException {
    mkdirsForFile(path);
    FileOutputStream f = new FileOutputStream(path, append);
    _registerIO(f, path, true);
    return f;
  }

  public static AutoCloseable tempCleaningUp() {
    return tempSetTL(ping_isCleanUpThread, true);
  }

  public static void closeAllWriters(Collection<? extends Writer> l) {
    for (Writer w : unnull(l)) {
      try {
        w.close();
      } catch (Throwable __e) {
        _handleException(__e);
      }
    }
  }

  public static JTextArea jTextAreaWithUndo() {
    return jTextAreaWithUndo("");
  }

  public static JTextArea jTextAreaWithUndo(final String text) {
    return jenableUndoRedo(swingNu(JTextArea.class, text));
  }

  public static String getSelectedItem(JList l) {
    return (String) l.getSelectedValue();
  }

  public static String getSelectedItem(JComboBox cb) {
    return strOrNull(cb.getSelectedItem());
  }

  public static boolean hasLetters(String s) {
    for (int i = 0; i < s.length(); i++) if (Character.isLetter(s.charAt(i)))
      return true;
    return false;
  }

  public static boolean containsLowerCase(String s) {
    for (int i = 0; i < l(s); i++) if (isLowerCase(s.charAt(i)))
      return true;
    return false;
  }

  public static class getOpt_Map extends WeakHashMap {

    public getOpt_Map() {
      if (getOpt_special == null)
        getOpt_special = new HashMap();
      clear();
    }

    public void clear() {
      super.clear();
      put(Class.class, getOpt_special);
      put(String.class, getOpt_special);
    }
  }

  public static final Map<Class, HashMap<String, Field>> getOpt_cache = _registerDangerousWeakMap(synchroMap(new getOpt_Map()));

  public static HashMap getOpt_special;

  public static Object getOpt_cached(Object o, String field) {
    try {
      if (o == null)
        return null;
      Class c = o.getClass();
      HashMap<String, Field> map;
      synchronized (getOpt_cache) {
        map = getOpt_cache.get(c);
        if (map == null)
          map = getOpt_makeCache(c);
      }
      if (map == getOpt_special) {
        if (o instanceof Class)
          return getOpt((Class) o, field);
        if (o instanceof Map)
          return ((Map) o).get(field);
      }
      Field f = map.get(field);
      if (f != null)
        return f.get(o);
      if (o instanceof DynamicObject)
        return mapGet2(((DynamicObject) o).fieldValues, field);
      return null;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static HashMap<String, Field> getOpt_makeCache(Class c) {
    HashMap<String, Field> map;
    if (isSubtypeOf(c, Map.class))
      map = getOpt_special;
    else {
      map = new HashMap();
      if (!reflection_classesNotToScan().contains(c.getName())) {
        Class _c = c;
        do {
          for (Field f : _c.getDeclaredFields()) {
            makeAccessible(f);
            String name = f.getName();
            if (!map.containsKey(name))
              map.put(name, f);
          }
          _c = _c.getSuperclass();
        } while (_c != null);
      }
    }
    if (getOpt_cache != null)
      getOpt_cache.put(c, map);
    return map;
  }

  public static char lastChar(String s) {
    return empty(s) ? '\0' : s.charAt(l(s) - 1);
  }

  public static String[] dropLast(String[] a, int n) {
    n = Math.min(n, a.length);
    String[] b = new String[a.length - n];
    System.arraycopy(a, 0, b, 0, b.length);
    return b;
  }

  public static <A> List<A> dropLast(List<A> l) {
    return subList(l, 0, l(l) - 1);
  }

  public static <A> List<A> dropLast(int n, List<A> l) {
    return subList(l, 0, l(l) - n);
  }

  public static <A> List<A> dropLast(Iterable<A> l) {
    return dropLast(asList(l));
  }

  public static String dropLast(String s) {
    return substring(s, 0, l(s) - 1);
  }

  public static String dropLast(String s, int n) {
    return substring(s, 0, l(s) - n);
  }

  public static String dropLast(int n, String s) {
    return dropLast(s, n);
  }

  public static boolean regionMatchesIC(String a, int offsetA, String b, int offsetB, int len) {
    return a != null && a.regionMatches(true, offsetA, b, offsetB, len);
  }

  public static boolean contains(Collection c, Object o) {
    return c != null && c.contains(o);
  }

  public static boolean contains(Object[] x, Object o) {
    if (x != null)
      for (Object a : x) if (eq(a, o))
        return true;
    return false;
  }

  public static boolean contains(String s, char c) {
    return s != null && s.indexOf(c) >= 0;
  }

  public static boolean contains(String s, String b) {
    return s != null && s.indexOf(b) >= 0;
  }

  public static boolean contains(BitSet bs, int i) {
    return bs != null && bs.get(i);
  }

  public static String intToHex_flexLength(int i) {
    return Integer.toHexString(i);
  }

  public static void addMenuItem(JPopupMenu menu, String text, Object action) {
    menu.add(jmenuItem(text, action));
  }

  public static void addMenuItem(JPopupMenu menu, JMenuItem menuItem) {
    menu.add(menuItem);
  }

  public static void addMenuItem(JMenu menu, String text, Object action) {
    menu.add(jmenuItem(text, action));
  }

  public static void addMenuItem(Menu menu, String text, Object action) {
    menu.add(menuItem(text, action));
  }

  public static void addMenuItem(JMenu menu, JMenuItem menuItem) {
    menu.add(menuItem);
  }

  public static Object vm_generalMap_put(Object key, Object value) {
    return mapPutOrRemove(vm_generalMap(), key, value);
  }

  public static <A> Set<A> newWeakHashSet() {
    return synchroWeakHashSet();
  }

  public static void addActionListener(JTextField tf, final Runnable action) {
    onEnter(tf, action);
  }

  public static void addActionListener(final JComboBox cb, final Runnable action) {
    if (cb != null) {
      swing(new Runnable() {

        public void run() {
          try {
            cb.addActionListener(actionListener(action));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "cb.addActionListener(actionListener(action));";
        }
      });
    }
  }

  public static void addActionListener(final AbstractButton b, final Runnable action) {
    if (b != null) {
      swing(new Runnable() {

        public void run() {
          try {
            b.addActionListener(actionListener(action));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "b.addActionListener(actionListener(action));";
        }
      });
    }
  }

  public static String selectedItem(JList l) {
    return getSelectedItem(l);
  }

  public static String selectedItem(JComboBox cb) {
    return getSelectedItem(cb);
  }

  public static List<String> jsonTok(String s) {
    List<String> tok = new ArrayList();
    int l = l(s);
    int i = 0;
    while (i < l) {
      int j = i;
      char c;
      String cc;
      while (j < l) {
        c = s.charAt(j);
        cc = s.substring(j, Math.min(j + 2, l));
        if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
          ++j;
        else if (cc.equals("/*")) {
          do ++j; while (j < l && !s.substring(j, Math.min(j + 2, l)).equals("*/"));
          j = Math.min(j + 2, l);
        } else if (cc.equals("//")) {
          do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
        } else
          break;
      }
      tok.add(s.substring(i, j));
      i = j;
      if (i >= l)
        break;
      c = s.charAt(i);
      if (c == '\'' || c == '"') {
        char opener = c;
        ++j;
        while (j < l) {
          if (s.charAt(j) == opener) {
            ++j;
            break;
          } else if (s.charAt(j) == '\\' && j + 1 < l)
            j += 2;
          else
            ++j;
        }
      } else if (Character.isLetter(c))
        do ++j; while (j < l && Character.isLetter(s.charAt(j)));
      else if (Character.isDigit(c))
        do ++j; while (j < l && Character.isDigit(s.charAt(j)));
      else
        ++j;
      tok.add(s.substring(i, j));
      i = j;
    }
    if ((tok.size() % 2) == 0)
      tok.add("");
    return tok;
  }

  public static String makePostData(Map<Object, Object> map) {
    StringBuilder buf = new StringBuilder();
    for (Map.Entry<Object, Object> e : map.entrySet()) {
      String key = (String) (e.getKey());
      Object val = e.getValue();
      if (val != null) {
        String value = str(val);
        if (nempty(buf))
          buf.append("&");
        buf.append(urlencode(key)).append("=").append(urlencode((value)));
      }
    }
    return str(buf);
  }

  public static String makePostData(Object... params) {
    StringBuilder buf = new StringBuilder();
    int n = l(params);
    for (int i = 0; i + 1 < n; i += 2) {
      String key = (String) (params[i]);
      Object val = params[i + 1];
      if (val != null) {
        String value = str(val);
        if (nempty(buf))
          buf.append("&");
        buf.append(urlencode(key)).append("=").append(urlencode((value)));
      }
    }
    return str(buf);
  }

  public static Comparator<String> caseInsensitiveComparator() {
    return betterCIComparator();
  }

  public static int charDiff(char a, char b) {
    return (int) a - (int) b;
  }

  public static int charDiff(String a, char b) {
    return charDiff(stringToChar(a), b);
  }

  public static Object[] toArray(Collection c) {
    return toObjectArray(c);
  }

  public static <A> A[] toArray(Collection c, Class<A> type) {
    A[] a = arrayOfType(l(c), type);
    if (a.length == 0)
      return a;
    asList(c).toArray(a);
    return a;
  }

  public static <A> A[] toArray(A[] array, Collection c) {
    if (array == null || c == null)
      return null;
    asList(c).toArray(array);
    return array;
  }

  public static Method findMethodNamed(Object obj, String method) {
    if (obj == null)
      return null;
    if (obj instanceof Class)
      return findMethodNamed((Class) obj, method);
    return findMethodNamed(obj.getClass(), method);
  }

  public static Method findMethodNamed(Class c, String method) {
    while (c != null) {
      for (Method m : c.getDeclaredMethods()) if (m.getName().equals(method)) {
        makeAccessible(m);
        return m;
      }
      c = c.getSuperclass();
    }
    return null;
  }

  public static void upgradeJavaXAndRestart() {
    run("#1001639");
    restart();
    sleep();
  }

  public static boolean reflection_isForbiddenMethod(Method m) {
    return m.getDeclaringClass() == Object.class && eqOneOf(m.getName(), "finalize", "clone", "registerNatives");
  }

  public static TreeSet<String> caseInsensitiveSet_treeSet() {
    return new TreeSet(caseInsensitiveComparator());
  }

  public static TreeSet<String> caseInsensitiveSet_treeSet(Collection<String> c) {
    return toCaseInsensitiveSet_treeSet(c);
  }

  public static boolean equalsIgnoreCase(String a, String b) {
    return eqic(a, b);
  }

  public static boolean equalsIgnoreCase(char a, char b) {
    return eqic(a, b);
  }

  public static File programDir_mine;

  public static File programDir() {
    return programDir(getProgramID());
  }

  public static File programDir(String snippetID) {
    boolean me = sameSnippetID(snippetID, programID());
    if (programDir_mine != null && me)
      return programDir_mine;
    File dir = new File(javaxDataDir(), formatSnippetIDOpt(snippetID));
    if (me) {
      String c = caseID();
      if (nempty(c))
        dir = newFile(dir, c);
    }
    return dir;
  }

  public static File programDir(String snippetID, String subPath) {
    return new File(programDir(snippetID), subPath);
  }

  public static String f2s(File f) {
    return f == null ? null : f.getAbsolutePath();
  }

  public static String f2s(String s) {
    return f2s(newFile(s));
  }

  public static String f2s(java.nio.file.Path p) {
    return p == null ? null : f2s(p.toFile());
  }

  public static void _registerIO(Object object, String path, boolean opened) {
  }

  public static <A> AutoCloseable tempSetTL(ThreadLocal<A> tl, A a) {
    return tempSetThreadLocal(tl, a);
  }

  public static String strOrNull(Object o) {
    return o == null ? null : str(o);
  }

  public static boolean isLowerCase(char c) {
    return Character.isLowerCase(c);
  }

  public static void clear(Collection c) {
    if (c != null)
      c.clear();
  }

  public static <A, B> void put(Map<A, B> map, A a, B b) {
    if (map != null)
      map.put(a, b);
  }

  public static <A> void put(List<A> l, int i, A a) {
    if (l != null && i >= 0 && i < l(l))
      l.set(i, a);
  }

  public static List<Pair> _registerDangerousWeakMap_preList;

  public static <A> A _registerDangerousWeakMap(A map) {
    return _registerDangerousWeakMap(map, null);
  }

  public static <A> A _registerDangerousWeakMap(A map, Object init) {
    callF(init, map);
    if (init instanceof String) {
      final String f = (String) init;
      init = new VF1<Map>() {

        public void get(Map map) {
          try {
            callMC(f, map);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "callMC(f, map)";
        }
      };
    }
    if (javax() == null) {
      if (_registerDangerousWeakMap_preList == null)
        _registerDangerousWeakMap_preList = synchroList();
      _registerDangerousWeakMap_preList.add(pair(map, init));
      return map;
    }
    call(javax(), "_registerDangerousWeakMap", map, init);
    return map;
  }

  public static void _onLoad_registerDangerousWeakMap() {
    assertNotNull(javax());
    if (_registerDangerousWeakMap_preList == null)
      return;
    for (Pair p : _registerDangerousWeakMap_preList) _registerDangerousWeakMap(p.a, p.b);
    _registerDangerousWeakMap_preList = null;
  }

  public static Map synchroMap() {
    return synchroHashMap();
  }

  public static <A, B> Map<A, B> synchroMap(Map<A, B> map) {
    return Collections.synchronizedMap(map);
  }

  public static <A, B> B mapGet2(Map<A, B> map, A a) {
    return map == null ? null : map.get(a);
  }

  public static <A, B> B mapGet2(A a, Map<A, B> map) {
    return map == null ? null : map.get(a);
  }

  public static boolean isSubtypeOf(Class a, Class b) {
    return b.isAssignableFrom(a);
  }

  public static Set<String> reflection_classesNotToScan_value = litset("jdk.internal.loader.URLClassPath");

  public static Set<String> reflection_classesNotToScan() {
    return reflection_classesNotToScan_value;
  }

  public static MenuItem menuItem(String text, final Object r) {
    MenuItem mi = new MenuItem(text);
    mi.addActionListener(actionListener(r));
    return mi;
  }

  public static <A, B> B mapPutOrRemove(Map<A, B> map, A key, B value) {
    if (map != null && key != null)
      if (value != null)
        return map.put(key, value);
      else
        return map.remove(key);
    return null;
  }

  public static <A> Set<A> synchroWeakHashSet() {
    return Collections.newSetFromMap((Map) newWeakHashMap());
  }

  public static String urlencode(String x) {
    try {
      return URLEncoder.encode(unnull(x), "UTF-8");
    } catch (UnsupportedEncodingException e) {
      throw new RuntimeException(e);
    }
  }

  public static betterCIComparator_C betterCIComparator_instance;

  public static betterCIComparator_C betterCIComparator() {
    if (betterCIComparator_instance == null)
      betterCIComparator_instance = new betterCIComparator_C();
    return betterCIComparator_instance;
  }

  public static class betterCIComparator_C implements Comparator<String> {

    public int compare(String s1, String s2) {
      if (s1 == null)
        return s2 == null ? 0 : -1;
      if (s2 == null)
        return 1;
      int n1 = s1.length();
      int n2 = s2.length();
      int min = Math.min(n1, n2);
      for (int i = 0; i < min; i++) {
        char c1 = s1.charAt(i);
        char c2 = s2.charAt(i);
        if (c1 != c2) {
          c1 = Character.toUpperCase(c1);
          c2 = Character.toUpperCase(c2);
          if (c1 != c2) {
            c1 = Character.toLowerCase(c1);
            c2 = Character.toLowerCase(c2);
            if (c1 != c2) {
              return c1 - c2;
            }
          }
        }
      }
      return n1 - n2;
    }
  }

  public static char stringToChar(String s) {
    if (l(s) != 1)
      throw fail("bad stringToChar: " + s);
    return firstChar(s);
  }

  public static Class run(String progID, String... args) {
    Class main = hotwire(progID);
    callMain(main, args);
    return main;
  }

  public static void restart() {
    Object j = getJavaX();
    call(j, "cleanRestart", get(j, "fullArgs"));
  }

  public static TreeSet<String> toCaseInsensitiveSet_treeSet(Iterable<String> c) {
    if (isCISet(c))
      return (TreeSet) c;
    TreeSet<String> set = caseInsensitiveSet_treeSet();
    addAll(set, c);
    return set;
  }

  public static TreeSet<String> toCaseInsensitiveSet_treeSet(String... x) {
    TreeSet<String> set = caseInsensitiveSet_treeSet();
    addAll(set, x);
    return set;
  }

  public static boolean sameSnippetID(String a, String b) {
    if (!isSnippetID(a) || !isSnippetID(b))
      return false;
    return parseSnippetID(a) == parseSnippetID(b);
  }

  public static volatile String caseID_caseID;

  public static String caseID() {
    return caseID_caseID;
  }

  public static void caseID(String id) {
    caseID_caseID = id;
  }

  public static <A> HashSet<A> litset(A... items) {
    return lithashset(items);
  }

  public static char firstChar(String s) {
    return s.charAt(0);
  }

  public static Class<?> hotwire(String src) {
    assertFalse(_inCore());
    Class j = getJavaX();
    if (isAndroid()) {
      synchronized (j) {
        List<File> libraries = new ArrayList<File>();
        File srcDir = (File) call(j, "transpileMain", src, libraries);
        if (srcDir == null)
          throw fail("transpileMain returned null (src=" + quote(src) + ")");
        Object androidContext = get(j, "androidContext");
        return (Class) call(j, "loadx2android", srcDir, src);
      }
    } else {
      Class c = (Class) (call(j, "hotwire", src));
      hotwire_copyOver(c);
      return c;
    }
  }

  public static <A> A callMain(A c, String... args) {
    callOpt(c, "main", new Object[] { args });
    return c;
  }

  public static void callMain() {
    callMain(mc());
  }

  public static boolean isCISet(Iterable<String> l) {
    return l instanceof TreeSet && ((TreeSet) l).comparator() == caseInsensitiveComparator();
  }

  public static <A, B extends A> void addAll(Collection<A> c, Iterable<B> b) {
    if (c != null && b != null)
      for (A a : b) c.add(a);
  }

  public static <A, B extends A> boolean addAll(Collection<A> c, Collection<B> b) {
    return c != null && b != null && c.addAll(b);
  }

  public static <A, B extends A> boolean addAll(Collection<A> c, B... b) {
    return c != null && c.addAll(Arrays.asList(b));
  }

  public static <A, B> Map<A, B> addAll(Map<A, B> a, Map<? extends A, ? extends B> b) {
    if (a != null)
      a.putAll(b);
    return a;
  }

  public static boolean _inCore() {
    return false;
  }

  public static List hotwire_copyOver_after = synchroList();

  public static void hotwire_copyOver(Class c) {
    for (String field : ll("print_log", "print_silent", "androidContext", "_userHome")) setOptIfNotNull(c, field, getOpt(mc(), field));
    setOptIfNotNull(c, "mainBot", getMainBot());
    setOpt(c, "creator_class", new WeakReference(mc()));
    pcallFAll(hotwire_copyOver_after, c);
  }

  public static void setOptIfNotNull(Object o, String field, Object value) {
    if (value != null)
      setOpt(o, field, value);
  }

  public static Object mainBot;

  public static Object getMainBot() {
    return mainBot;
  }

  public static final class _MethodCache {

    public final Class c;

    public final HashMap<String, List<Method>> cache = new HashMap();

    public _MethodCache(Class c) {
      this.c = c;
      _init();
    }

    public void _init() {
      Class _c = c;
      while (_c != null) {
        for (Method m : _c.getDeclaredMethods()) if (!reflection_isForbiddenMethod(m))
          multiMapPut(cache, m.getName(), makeAccessible(m));
        _c = _c.getSuperclass();
      }
      for (Class intf : allInterfacesImplementedBy(c)) for (Method m : intf.getDeclaredMethods()) if (m.isDefault() && !reflection_isForbiddenMethod(m))
        multiMapPut(cache, m.getName(), makeAccessible(m));
    }

    public Method findMethod(String method, Object[] args) {
      try {
        List<Method> m = cache.get(method);
        if (m == null)
          return null;
        int n = m.size();
        for (int i = 0; i < n; i++) {
          Method me = m.get(i);
          if (call_checkArgs(me, args, false))
            return me;
        }
        return null;
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }

    public Method findStaticMethod(String method, Object[] args) {
      try {
        List<Method> m = cache.get(method);
        if (m == null)
          return null;
        int n = m.size();
        for (int i = 0; i < n; i++) {
          Method me = m.get(i);
          if (isStaticMethod(me) && call_checkArgs(me, args, false))
            return me;
        }
        return null;
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }
  }

  public abstract static class VF2<A, B> {

    public abstract void get(A a, B b);
  }

  public static class Var<A> implements IVar<A> {

    public Var() {
    }

    public Var(A v) {
      this.v = v;
    }

    public A v;

    public synchronized void set(A a) {
      if (v != a) {
        v = a;
        notifyAll();
      }
    }

    public synchronized A get() {
      return v;
    }

    public synchronized boolean has() {
      return v != null;
    }

    public synchronized void clear() {
      v = null;
    }

    public String toString() {
      return str(get());
    }
  }

  public static class DefunctClassLoader {
  }

  public abstract static class LiveValue<A> {

    public abstract Class<A> getType();

    public abstract A get();

    public abstract void onChange(Runnable l);

    public abstract void removeOnChangeListener(Runnable l);

    public void onChangeAndNow(Runnable l) {
      onChange(l);
      callF(l);
    }
  }

  public static class ParameterizedSegmenter implements IF1<BufferedImage, List<Rect>> {

    public String filter = "blur";

    public int filterLevel;

    public boolean distanceFromColor = false;

    public int dc_r, dc_g, dc_b;

    public float dc_gain = 5f;

    public float contrastThreshold = 0.5f;

    public int gridSize = 2;

    public DoubleRange widthRange = new DoubleRange(0, 1);

    public DoubleRange heightRange = new DoubleRange(0, 1);

    public DoubleRange xRange = new DoubleRange(0, 1);

    public DoubleRange yRange = new DoubleRange(0, 1);

    public transient BufferedImage image;

    public transient BufferedImage filteredImage1;

    public transient BufferedImage filteredImage;

    public transient List<Rect> segments;

    public void run() {
      BufferedImage image = this.image;
      int w = image.getWidth(), h = image.getHeight();
      filteredImage = null;
      if (filterLevel != 0)
        if (eq(filter, "blur"))
          image = filteredImage = new BoxBlurFilter(filterLevel).filter(image, null);
        else if (eq(filter, "min"))
          image = filteredImage = new MinimumFilter(filterLevel).filter(image, null);
        else if (eq(filter, "max"))
          image = filteredImage = new MaximumFilter(filterLevel).filter(image, null);
        else
          print("Unknown filter type: " + filter);
      filteredImage1 = filteredImage;
      AutoSegmenter as = new AutoSegmenter();
      as.g = gridSize;
      as.contrastThreshold = contrastThreshold;
      BWImage bw;
      if (distanceFromColor) {
        bw = img_distanceFromColor_withGain(image, rgbFromInts(dc_r, dc_g, dc_b), dc_gain);
        filteredImage = bw.getBufferedImage();
      } else
        bw = new BWImage(image);
      segments = as.go(bw);
      IntRange wr = doubleToIntRange_endPlus1(w, widthRange);
      IntRange hr = doubleToIntRange_endPlus1(h, heightRange);
      IntRange xr = doubleToIntRange_endPlus1(w, xRange);
      IntRange yr = doubleToIntRange_endPlus1(h, yRange);
      segments = filterRectsByWidthRange(segments, wr);
      segments = filterRectsByHeightRange(segments, hr);
      segments = filterRectsByCenterXRange(segments, xr);
      segments = filterRectsByCenterYRange(segments, yr);
    }

    public List<Rect> get(BufferedImage img) {
      image = img;
      run();
      return segments;
    }

    public void distanceFromColor(RGB color) {
      distanceFromColor = true;
      dc_r = color.redInt();
      dc_g = color.greenInt();
      dc_b = color.blueInt();
    }

    public ParameterizedSegmenter clone() {
      return shallowNonTransientClone(this);
    }

    public String toString() {
      return sfu(this);
    }
  }

  public static class Dyn_FieldWatcher {

    public DynModule module;

    public String field;

    public Object value;

    public Runnable action;

    public Dyn_FieldWatcher(DynModule module, String field, Runnable action) {
      this.action = action;
      this.field = field;
      this.module = module;
      value = get(module, field);
      module.onChange(new Runnable() {

        public void run() {
          try {
            check();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "check();";
        }
      });
      module.onFieldChange(new VF1<String>() {

        public void get(String f) {
          try {
            if (eq(f, field))
              check();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "if (eq(f, field))\r\n        check();";
        }
      });
    }

    public void check() {
      Object newValue = get(module, field);
      if (eq(value, newValue))
        return;
      value = newValue;
      dm_q(module, action);
    }
  }

  public abstract static class RandomAccessAbstractList<A> extends AbstractList<A> implements RandomAccess {
  }

  public static interface IF0<A> {

    public A get();
  }

  public static class SimpleLiveValue<A> extends LiveValue<A> {

    public Class<A> type;

    public volatile A value;

    public transient List onChange = synchroList();

    public SimpleLiveValue(Class<A> type) {
      this.type = type;
    }

    public SimpleLiveValue(Class<A> type, A value) {
      this.value = value;
      this.type = type;
    }

    public Class<A> getType() {
      return type;
    }

    public A get() {
      return value;
    }

    public void onChange(Runnable l) {
      onChange.add(l);
    }

    public void onChangeAndNow(Runnable l) {
      onChange(l);
      callF(l);
    }

    public void removeOnChangeListener(Runnable l) {
      onChange.remove(l);
    }

    public void fireChanged() {
      pcallFAll(onChange);
    }

    public void set(A a) {
      if (neq(value, a)) {
        value = a;
        fireChanged();
      }
    }
  }

  public static interface IF2<A, B, C> {

    public C get(A a, B b);
  }

  public static interface Producer<A> {

    public A next();
  }

  public static class ReliableSingleThread implements Runnable {

    public Object runnable;

    public boolean trigger = false;

    public Thread thread;

    public String name = "Single Thread";

    public F0<AutoCloseable> enter;

    public ReliableSingleThread(Object runnable) {
      this.runnable = runnable;
    }

    public void trigger() {
      go();
    }

    public synchronized void go() {
      trigger = true;
      if (!running()) {
        AutoCloseable __1636 = callF(enter);
        try {
          thread = startThread(name, new Runnable() {

            public void run() {
              try {
                AutoCloseable __1637 = callF(enter);
                try {
                  _run();
                } finally {
                  _close(__1637);
                }
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "AutoCloseable __1637 = callF(enter); try {\r\n        _run();\r\n      } finally ...";
            }
          });
        } finally {
          _close(__1636);
        }
      }
    }

    public void run() {
      go();
    }

    public void get() {
      go();
    }

    public synchronized boolean running() {
      return thread != null;
    }

    public void triggerAndWait() {
      trigger();
      while (running()) sleep(1);
    }

    public void _run() {
      while (licensed()) {
        synchronized (this) {
          if (!trigger) {
            thread = null;
            break;
          }
          trigger = false;
        }
        pcallF(runnable);
      }
    }

    public synchronized void cancel() {
      cancelAndInterruptThread(thread);
      thread = null;
    }

    public synchronized boolean triggered() {
      return trigger;
    }

    public void cleanMeUp() {
      cancel();
    }
  }

  public static class MouseMover {

    public Pt cur, last;

    public Robot robot;

    public java.util.Timer timer;

    public int interferenceMinDistance = 100;

    public int mouseCheckInterval = 50;

    public int blockTimeAfterInterference = 5000;

    public boolean endAfterInterference = true;

    public volatile boolean interference = false;

    public boolean forceActive = false;

    public long blockUntil;

    public HashSet<Integer> buttonsToRelease = new HashSet();

    public static boolean listenToGlobalKeyPresses = false;

    public IF0<AutoCloseable> enter;

    public boolean verbose = false;

    public synchronized boolean enabled() {
      return timer != null;
    }

    public synchronized boolean hasInterference() {
      return interference;
    }

    public boolean active() {
      return enabled() && (forceActive || !hasInterference());
    }

    public boolean active2() {
      return enabled() && !blocked();
    }

    public synchronized MouseMover enable() {
      try {
        if (robot == null)
          robot = new Robot();
        if (timer == null) {
          interference = false;
          cur = new Pt(mouseLocation());
          timer = new java.util.Timer("MouseMover");
          timer.scheduleAtFixedRate(new TimerTask() {

            public void run() {
              checkMouse();
            }
          }, mouseCheckInterval, mouseCheckInterval);
          if (listenToGlobalKeyPresses)
            onGlobalKeyPress(new Runnable() {

              public void run() {
                try {
                  AutoCloseable __152 = callF(enter);
                  try {
                    if (verbose)
                      print("Key press detected");
                    haveInterference();
                  } finally {
                    _close(__152);
                  }
                } catch (Exception __e) {
                  throw rethrow(__e);
                }
              }

              public String toString() {
                return "AutoCloseable __152 = callF(enter); try {\r\n          if (verbose) print(\"Key ...";
              }
            });
          if (verbose)
            print("Mouse automation started");
        }
        return this;
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }

    public boolean farAway(Pt a, Pt b) {
      return pointDistance(a, b) >= interferenceMinDistance;
    }

    public synchronized void checkMouse() {
      AutoCloseable __153 = callF(enter);
      try {
        if (!enabled())
          return;
        blocked();
        Pt p = new Pt(mouseLocation());
        if (farAway(p, cur) && neq(p, last)) {
          if (verbose)
            print("Mouse movement detected: " + nPixels(iround(ptDistance(p, cur))));
          haveInterference();
        }
      } finally {
        _close(__153);
      }
    }

    public void haveInterference() {
      AutoCloseable __154 = callF(enter);
      try {
        if (!enabled())
          return;
        interference = true;
        if (endAfterInterference) {
          if (verbose)
            print("User interference detected, stopping automation");
          disable();
        } else {
          boolean blockedAlready = blocked();
          blockUntil = now() + blockTimeAfterInterference;
          if (!blockedAlready)
            if (verbose)
              print("Mouse automation blocked for at least " + blockTimeAfterInterference + " ms");
          releaseButtons();
          cur = new Pt(mouseLocation());
          if (verbose)
            print("Set cur to " + cur);
          last = null;
        }
      } finally {
        _close(__154);
      }
    }

    public synchronized void disable() {
      releaseButtons();
      if (timer != null) {
        timer.cancel();
        timer = null;
      }
    }

    public synchronized void moveMouseImmediate(Pt p) {
      checkMouse();
      if (!enabled() || blocked())
        return;
      p = normalizePointToScreen(p);
      if (neq(cur, p)) {
        if (neq(new Pt(mouseLocation()), last))
          last = cur;
        cur = p;
        robot.mouseMove(p.x, p.y);
      }
    }

    public synchronized boolean blocked() {
      if (!enabled() || blockUntil == 0)
        return false;
      if (now() < blockUntil)
        return true;
      blockUntil = 0;
      cur = new Pt(mouseLocation());
      last = null;
      if (verbose)
        print(prefix() + "Mouse automation resumes");
      return false;
    }

    public void moveMouse(Pt pdest) {
      if (pdest == null)
        return;
      print("Moving mouse to " + pdest);
      Point p = getMouseLocation();
      int steps = 20, delay = 30;
      for (int i = 1; i <= steps; i++) {
        if (blocked())
          break;
        Point p2 = blendPoints(p, pdest.getPoint(), ((double) i) / steps);
        moveMouseImmediate(new Pt(p2));
        if (i != steps)
          sleep(delay);
      }
    }

    public void click() {
      AutoCloseable __155 = callF(enter);
      try {
        if (active2()) {
          print(prefix() + "CLICKING");
          mouseClick();
        } else
          print(prefix() + "Not clicking, have interference: " + hasInterference());
      } finally {
        _close(__155);
      }
    }

    public String prefix() {
      return systemHashCode(this) + ": ";
    }

    public void pressButton() {
      robot.mousePress(addAndReturn(buttonsToRelease, InputEvent.BUTTON1_DOWN_MASK));
    }

    public void releaseButton() {
      robot.mouseRelease(removeAndReturn(buttonsToRelease, InputEvent.BUTTON1_DOWN_MASK));
    }

    public void click(Pt p) {
      moveMouse(p);
      click();
    }

    public void click(int x, int y) {
      click(new Pt(x, y));
    }

    public void cleanMeUp() {
      disable();
      releaseButtons();
    }

    public void releaseButtons() {
      for (int btn : getAndClearList(buttonsToRelease)) robot.mouseRelease(btn);
    }

    public void unblock() {
      blockUntil = 0;
    }
  }

  public static interface IVF1<A> {

    public void get(A a);
  }

  public abstract static class DynPrintLogAndEnabled extends DynPrintLog {

    public volatile boolean enabled = true;

    public transient JPanel buttons;

    public JComponent visualize() {
      return dm_visualizeWithEnabled(super.visualize());
    }

    public JComponent dm_visualizeWithEnabled(JComponent main) {
      return centerAndSouthWithMargins(main, buttons = jrightalignedline(dm_fieldCheckBox("enabled")));
    }

    public void setEnabled(boolean b) {
      setField("enabled", b);
    }
  }

  public static class Pair<A, B> implements Comparable<Pair<A, B>> {

    public A a;

    public B b;

    public Pair() {
    }

    public Pair(A a, B b) {
      this.b = b;
      this.a = a;
    }

    public int hashCode() {
      return hashCodeFor(a) + 2 * hashCodeFor(b);
    }

    public boolean equals(Object o) {
      if (o == this)
        return true;
      if (!(o instanceof Pair))
        return false;
      Pair t = (Pair) o;
      return eq(a, t.a) && eq(b, t.b);
    }

    public String toString() {
      return "<" + a + ", " + b + ">";
    }

    public int compareTo(Pair<A, B> p) {
      if (p == null)
        return 1;
      int i = ((Comparable<A>) a).compareTo(p.a);
      if (i != 0)
        return i;
      return ((Comparable<B>) b).compareTo(p.b);
    }
  }

  public static class MaximumFilter extends WholeImageFilter {

    public int hRadius;

    public int vRadius;

    public MaximumFilter() {
      this(1);
    }

    public MaximumFilter(int radius) {
      hRadius = vRadius = radius;
    }

    public MaximumFilter(int hRadius, int vRadius) {
      this.vRadius = vRadius;
      this.hRadius = hRadius;
    }

    public int[] filterPixels(int width, int height, int[] inPixels, Rectangle transformedSpace) {
      int index = 0;
      int[] outPixels = new int[width * height];
      int y1 = -vRadius / 2, y2 = y1 + vRadius;
      int x1 = -hRadius / 2, x2 = x1 + hRadius;
      for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
          int pixel = 0;
          for (int dy = y1; dy <= y2; dy++) {
            int iy = y + dy;
            int ioffset;
            if (0 <= iy && iy < height) {
              ioffset = iy * width;
              for (int dx = x1; dx <= x2; dx++) {
                int ix = x + dx;
                if (0 <= ix && ix < width) {
                  pixel = PixelUtils.combinePixels(pixel, inPixels[ioffset + ix], PixelUtils.MAX);
                }
              }
            }
          }
          outPixels[index++] = pixel;
        }
      }
      return outPixels;
    }
  }

  public static class BoxBlurFilter extends AbstractBufferedImageOp implements IF1<BufferedImage, BufferedImage> {

    public int hRadius;

    public int vRadius;

    public int iterations = 1;

    public BoxBlurFilter() {
    }

    public BoxBlurFilter(int radius) {
      hRadius = vRadius = radius;
    }

    public BoxBlurFilter(int hRadius, int vRadius) {
      this.vRadius = vRadius;
      this.hRadius = hRadius;
    }

    public BufferedImage get(BufferedImage src) {
      return filter(src, null);
    }

    public BufferedImage filter(BufferedImage src, BufferedImage dst) {
      int width = src.getWidth();
      int height = src.getHeight();
      if (dst == null)
        dst = createCompatibleDestImage(src, null);
      int[] inPixels = new int[width * height];
      int[] outPixels = new int[width * height];
      getRGB(src, 0, 0, width, height, inPixels);
      for (int i = 0; i < iterations; i++) {
        blur(inPixels, outPixels, width, height, hRadius);
        blur(outPixels, inPixels, height, width, vRadius);
      }
      setRGB(dst, 0, 0, width, height, inPixels);
      return dst;
    }

    public static void blur(int[] in, int[] out, int width, int height, int radius) {
      int widthMinus1 = width - 1;
      int tableSize = 2 * radius + 1;
      int[] divide = new int[256 * tableSize];
      for (int i = 0; i < 256 * tableSize; i++) divide[i] = i / tableSize;
      int inIndex = 0;
      for (int y = 0; y < height; y++) {
        int outIndex = y;
        int ta = 0, tr = 0, tg = 0, tb = 0;
        for (int i = -radius; i <= radius; i++) {
          int rgb = in[inIndex + clamp(i, 0, width - 1)];
          ta += (rgb >> 24) & 0xff;
          tr += (rgb >> 16) & 0xff;
          tg += (rgb >> 8) & 0xff;
          tb += rgb & 0xff;
        }
        for (int x = 0; x < width; x++) {
          out[outIndex] = (divide[ta] << 24) | (divide[tr] << 16) | (divide[tg] << 8) | divide[tb];
          int i1 = x + radius + 1;
          if (i1 > widthMinus1)
            i1 = widthMinus1;
          int i2 = x - radius;
          if (i2 < 0)
            i2 = 0;
          int rgb1 = in[inIndex + i1];
          int rgb2 = in[inIndex + i2];
          ta += ((rgb1 >> 24) & 0xff) - ((rgb2 >> 24) & 0xff);
          tr += ((rgb1 & 0xff0000) - (rgb2 & 0xff0000)) >> 16;
          tg += ((rgb1 & 0xff00) - (rgb2 & 0xff00)) >> 8;
          tb += (rgb1 & 0xff) - (rgb2 & 0xff);
          outIndex += height;
        }
        inIndex += width;
      }
    }
  }

  public static final class IntRange {

    public int start, end;

    public IntRange() {
    }

    public IntRange(int start, int end) {
      this.end = end;
      this.start = start;
    }

    public boolean equals(Object o) {
      return stdEq2(this, o);
    }

    public int hashCode() {
      return stdHash2(this);
    }

    public int length() {
      return end - start;
    }

    public static String _fieldOrder = "start end";

    public String toString() {
      return "[" + start + ";" + end + "]";
    }
  }

  public static class AutoSegmenter {

    public int g = 3;

    public List<Rect> clips;

    public boolean[] grid;

    public int gw, gh;

    public boolean diag = false;

    public BWImage img;

    public boolean contrastMethod2 = true, blackBG;

    public float contrastThreshold = 0.5f, brightnessThreshold = 0.5f;

    public int overlap = 1;

    public AutoSegmenter() {
    }

    public AutoSegmenter(int g) {
      this.g = g;
    }

    public List<Rect> go(RGBImage img) {
      return go(new BWImage(img));
    }

    public List<Rect> go(BWImage img) {
      this.img = img;
      int w = img.getWidth(), h = img.getHeight();
      gw = w / g;
      gh = h / g;
      step1();
      List<String> result = new ArrayList();
      clips = new ArrayList();
      for (int y = 0; y < gh; y++) for (int x = 0; x < gw; x++) if (grid[y * gw + x]) {
        Rect r = fill(x, y);
        r = scaleRect(r, g);
        r = blackBG ? autoCropOfBWImage_blackBG(img, r, brightnessThreshold) : autoCropOfBWImage(img, r, brightnessThreshold);
        clips.add(r);
      }
      return clips;
    }

    public void step1() {
      int w = img.getWidth(), h = img.getHeight();
      grid = new boolean[gw * gh];
      for (int gy = 0; gy <= h - g; gy += g) next: for (int gx = 0; gx <= w - g; gx += g) {
        float min = 1, max = 0;
        int y2 = min(h, gy + g + overlap);
        int x2 = min(w, gx + g + overlap);
        for (int y = gy; y < y2; y++) for (int x = gx; x < x2; x++) {
          float b = img.getPixel(x, y);
          min = Math.min(min, b);
          max = Math.max(max, b);
          if (contrastMethod2 ? max - min >= contrastThreshold : min < brightnessThreshold && max > brightnessThreshold) {
            grid[(gy / g) * gw + (gx / g)] = true;
            continue next;
          }
        }
      }
    }

    public Rect fill(int x, int y) {
      Rect r = null;
      List<Pt> stack = new ArrayList();
      stack.add(new Pt(x, y));
      while (nempty(stack)) {
        Pt p = popLast(stack);
        x = p.x;
        y = p.y;
        if (!(x < 0 || y < 0 || x >= gw || y >= gh)) {
          int idx = y * gw + x;
          if (grid[idx]) {
            grid[idx] = false;
            Rect me = new Rect(x, y, 1, 1);
            if (r == null)
              r = me;
            else
              r = rectUnion(r, me);
            stack.add(new Pt(x - 1, y));
            stack.add(new Pt(x + 1, y));
            stack.add(new Pt(x, y - 1));
            stack.add(new Pt(x, y + 1));
          }
        }
      }
      return r;
    }

    public float visualizeGrid_darkening = 0.0f;

    public BWImage visualizeGrid() {
      step1();
      BWImage im = new BWImage(img);
      for (int y = 0; y < gh; y++) for (int x = 0; x < gw; x++) {
        if (grid[y * gw + x])
          continue;
        darkenBWImagePart(im, new Rect(x * g, y * g, g, g), visualizeGrid_darkening);
      }
      return im;
    }
  }

  public static interface IVar<A> {

    public void set(A a);

    public A get();

    public boolean has();

    public void clear();
  }

  public static class MinimumFilter extends WholeImageFilter {

    public int hRadius;

    public int vRadius;

    public MinimumFilter() {
      this(1);
    }

    public MinimumFilter(int radius) {
      hRadius = vRadius = radius;
    }

    public MinimumFilter(int hRadius, int vRadius) {
      this.vRadius = vRadius;
      this.hRadius = hRadius;
    }

    public int[] filterPixels(int width, int height, int[] inPixels, Rectangle transformedSpace) {
      int index = 0;
      int[] outPixels = new int[width * height];
      int y1 = -vRadius / 2, y2 = y1 + vRadius;
      int x1 = -hRadius / 2, x2 = x1 + hRadius;
      for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
          int pixel = 0xffffffff;
          for (int dy = y1; dy <= y2; dy++) {
            int iy = y + dy;
            int ioffset;
            if (0 <= iy && iy < height) {
              ioffset = iy * width;
              for (int dx = x1; dx <= x2; dx++) {
                int ix = x + dx;
                if (0 <= ix && ix < width) {
                  pixel = PixelUtils.combinePixels(pixel, inPixels[ioffset + ix], PixelUtils.MIN);
                }
              }
            }
          }
          outPixels[index++] = pixel;
        }
      }
      return outPixels;
    }
  }

  public abstract static class AbstractBufferedImageOp implements BufferedImageOp, Cloneable {

    public BufferedImage createCompatibleDestImage(BufferedImage src, ColorModel dstCM) {
      if (dstCM == null)
        dstCM = src.getColorModel();
      return new BufferedImage(dstCM, dstCM.createCompatibleWritableRaster(src.getWidth(), src.getHeight()), dstCM.isAlphaPremultiplied(), null);
    }

    public Rectangle2D getBounds2D(BufferedImage src) {
      return new Rectangle(0, 0, src.getWidth(), src.getHeight());
    }

    public Point2D getPoint2D(Point2D srcPt, Point2D dstPt) {
      if (dstPt == null)
        dstPt = new Point2D.Double();
      dstPt.setLocation(srcPt.getX(), srcPt.getY());
      return dstPt;
    }

    public RenderingHints getRenderingHints() {
      return null;
    }

    public int[] getRGB(BufferedImage image, int x, int y, int width, int height, int[] pixels) {
      int type = image.getType();
      if (type == BufferedImage.TYPE_INT_ARGB || type == BufferedImage.TYPE_INT_RGB)
        return (int[]) image.getRaster().getDataElements(x, y, width, height, pixels);
      return image.getRGB(x, y, width, height, pixels, 0, width);
    }

    public void setRGB(BufferedImage image, int x, int y, int width, int height, int[] pixels) {
      int type = image.getType();
      if (type == BufferedImage.TYPE_INT_ARGB || type == BufferedImage.TYPE_INT_RGB)
        image.getRaster().setDataElements(x, y, width, height, pixels);
      else
        image.setRGB(x, y, width, height, pixels, 0, width);
    }

    public Object clone() {
      try {
        return super.clone();
      } catch (CloneNotSupportedException e) {
        return null;
      }
    }
  }

  public static class PixelUtils {

    public static final int REPLACE = 0;

    public static final int NORMAL = 1;

    public static final int MIN = 2;

    public static final int MAX = 3;

    public static final int ADD = 4;

    public static final int SUBTRACT = 5;

    public static final int DIFFERENCE = 6;

    public static final int MULTIPLY = 7;

    public static final int HUE = 8;

    public static final int SATURATION = 9;

    public static final int VALUE = 10;

    public static final int COLOR = 11;

    public static final int SCREEN = 12;

    public static final int AVERAGE = 13;

    public static final int OVERLAY = 14;

    public static final int CLEAR = 15;

    public static final int EXCHANGE = 16;

    public static final int DISSOLVE = 17;

    public static final int DST_IN = 18;

    public static final int ALPHA = 19;

    public static final int ALPHA_TO_GRAY = 20;

    public static Random randomGenerator = new Random();

    public static int _clamp(int c) {
      if (c < 0)
        return 0;
      if (c > 255)
        return 255;
      return c;
    }

    public static int interpolate(int v1, int v2, float f) {
      return _clamp((int) (v1 + f * (v2 - v1)));
    }

    public static int brightness(int rgb) {
      int r = (rgb >> 16) & 0xff;
      int g = (rgb >> 8) & 0xff;
      int b = rgb & 0xff;
      return (r + g + b) / 3;
    }

    public static boolean nearColors(int rgb1, int rgb2, int tolerance) {
      int r1 = (rgb1 >> 16) & 0xff;
      int g1 = (rgb1 >> 8) & 0xff;
      int b1 = rgb1 & 0xff;
      int r2 = (rgb2 >> 16) & 0xff;
      int g2 = (rgb2 >> 8) & 0xff;
      int b2 = rgb2 & 0xff;
      return Math.abs(r1 - r2) <= tolerance && Math.abs(g1 - g2) <= tolerance && Math.abs(b1 - b2) <= tolerance;
    }

    public static final float[] hsb1 = new float[3];

    public static final float[] hsb2 = new float[3];

    public static int combinePixels(int rgb1, int rgb2, int op) {
      return combinePixels(rgb1, rgb2, op, 0xff);
    }

    public static int combinePixels(int rgb1, int rgb2, int op, int extraAlpha, int channelMask) {
      return (rgb2 & ~channelMask) | combinePixels(rgb1 & channelMask, rgb2, op, extraAlpha);
    }

    public static int combinePixels(int rgb1, int rgb2, int op, int extraAlpha) {
      if (op == REPLACE)
        return rgb1;
      int a1 = (rgb1 >> 24) & 0xff;
      int r1 = (rgb1 >> 16) & 0xff;
      int g1 = (rgb1 >> 8) & 0xff;
      int b1 = rgb1 & 0xff;
      int a2 = (rgb2 >> 24) & 0xff;
      int r2 = (rgb2 >> 16) & 0xff;
      int g2 = (rgb2 >> 8) & 0xff;
      int b2 = rgb2 & 0xff;
      switch(op) {
        case NORMAL:
          break;
        case MIN:
          r1 = Math.min(r1, r2);
          g1 = Math.min(g1, g2);
          b1 = Math.min(b1, b2);
          break;
        case MAX:
          r1 = Math.max(r1, r2);
          g1 = Math.max(g1, g2);
          b1 = Math.max(b1, b2);
          break;
        case ADD:
          r1 = _clamp(r1 + r2);
          g1 = _clamp(g1 + g2);
          b1 = _clamp(b1 + b2);
          break;
        case SUBTRACT:
          r1 = _clamp(r2 - r1);
          g1 = _clamp(g2 - g1);
          b1 = _clamp(b2 - b1);
          break;
        case DIFFERENCE:
          r1 = _clamp(Math.abs(r1 - r2));
          g1 = _clamp(Math.abs(g1 - g2));
          b1 = _clamp(Math.abs(b1 - b2));
          break;
        case MULTIPLY:
          r1 = _clamp(r1 * r2 / 255);
          g1 = _clamp(g1 * g2 / 255);
          b1 = _clamp(b1 * b2 / 255);
          break;
        case DISSOLVE:
          if ((randomGenerator.nextInt() & 0xff) <= a1) {
            r1 = r2;
            g1 = g2;
            b1 = b2;
          }
          break;
        case AVERAGE:
          r1 = (r1 + r2) / 2;
          g1 = (g1 + g2) / 2;
          b1 = (b1 + b2) / 2;
          break;
        case HUE:
        case SATURATION:
        case VALUE:
        case COLOR:
          Color.RGBtoHSB(r1, g1, b1, hsb1);
          Color.RGBtoHSB(r2, g2, b2, hsb2);
          switch(op) {
            case HUE:
              hsb2[0] = hsb1[0];
              break;
            case SATURATION:
              hsb2[1] = hsb1[1];
              break;
            case VALUE:
              hsb2[2] = hsb1[2];
              break;
            case COLOR:
              hsb2[0] = hsb1[0];
              hsb2[1] = hsb1[1];
              break;
          }
          rgb1 = Color.HSBtoRGB(hsb2[0], hsb2[1], hsb2[2]);
          r1 = (rgb1 >> 16) & 0xff;
          g1 = (rgb1 >> 8) & 0xff;
          b1 = rgb1 & 0xff;
          break;
        case SCREEN:
          r1 = 255 - ((255 - r1) * (255 - r2)) / 255;
          g1 = 255 - ((255 - g1) * (255 - g2)) / 255;
          b1 = 255 - ((255 - b1) * (255 - b2)) / 255;
          break;
        case OVERLAY:
          int m, s;
          s = 255 - ((255 - r1) * (255 - r2)) / 255;
          m = r1 * r2 / 255;
          r1 = (s * r1 + m * (255 - r1)) / 255;
          s = 255 - ((255 - g1) * (255 - g2)) / 255;
          m = g1 * g2 / 255;
          g1 = (s * g1 + m * (255 - g1)) / 255;
          s = 255 - ((255 - b1) * (255 - b2)) / 255;
          m = b1 * b2 / 255;
          b1 = (s * b1 + m * (255 - b1)) / 255;
          break;
        case CLEAR:
          r1 = g1 = b1 = 0xff;
          break;
        case DST_IN:
          r1 = _clamp((r2 * a1) / 255);
          g1 = _clamp((g2 * a1) / 255);
          b1 = _clamp((b2 * a1) / 255);
          a1 = _clamp((a2 * a1) / 255);
          return (a1 << 24) | (r1 << 16) | (g1 << 8) | b1;
        case ALPHA:
          a1 = a1 * a2 / 255;
          return (a1 << 24) | (r2 << 16) | (g2 << 8) | b2;
        case ALPHA_TO_GRAY:
          int na = 255 - a1;
          return (a1 << 24) | (na << 16) | (na << 8) | na;
      }
      if (extraAlpha != 0xff || a1 != 0xff) {
        a1 = a1 * extraAlpha / 255;
        int a3 = (255 - a1) * a2 / 255;
        r1 = _clamp((r1 * a1 + r2 * a3) / 255);
        g1 = _clamp((g1 * a1 + g2 * a3) / 255);
        b1 = _clamp((b1 * a1 + b2 * a3) / 255);
        a1 = _clamp(a1 + a3);
      }
      return (a1 << 24) | (r1 << 16) | (g1 << 8) | b1;
    }
  }

  public abstract static class WholeImageFilter extends AbstractBufferedImageOp implements IF1<BufferedImage, BufferedImage> {

    public Rectangle transformedSpace;

    public Rectangle originalSpace;

    public WholeImageFilter() {
    }

    public BufferedImage get(BufferedImage src) {
      return filter(src, null);
    }

    public BufferedImage filter(BufferedImage src, BufferedImage dst) {
      int width = src.getWidth();
      int height = src.getHeight();
      int type = src.getType();
      WritableRaster srcRaster = src.getRaster();
      originalSpace = new Rectangle(0, 0, width, height);
      transformedSpace = new Rectangle(0, 0, width, height);
      transformSpace(transformedSpace);
      if (dst == null) {
        ColorModel dstCM = src.getColorModel();
        dst = new BufferedImage(dstCM, dstCM.createCompatibleWritableRaster(transformedSpace.width, transformedSpace.height), dstCM.isAlphaPremultiplied(), null);
      }
      WritableRaster dstRaster = dst.getRaster();
      int[] inPixels = getRGB(src, 0, 0, width, height, null);
      inPixels = filterPixels(width, height, inPixels, transformedSpace);
      setRGB(dst, 0, 0, transformedSpace.width, transformedSpace.height, inPixels);
      return dst;
    }

    public void transformSpace(Rectangle rect) {
    }

    public abstract int[] filterPixels(int width, int height, int[] inPixels, Rectangle transformedSpace);
  }

  public static <A, B> void multiMapPut(Map<A, List<B>> map, A a, B b) {
    List<B> l = map.get(a);
    if (l == null)
      map.put(a, l = new ArrayList());
    l.add(b);
  }

  public static Set<Class> allInterfacesImplementedBy(Class c) {
    if (c == null)
      return null;
    HashSet<Class> set = new HashSet();
    allInterfacesImplementedBy_find(c, set);
    return set;
  }

  public static void allInterfacesImplementedBy_find(Class c, Set<Class> set) {
    if (c.isInterface() && !set.add(c))
      return;
    do {
      for (Class intf : c.getInterfaces()) allInterfacesImplementedBy_find(intf, set);
    } while ((c = c.getSuperclass()) != null);
  }

  public static boolean call_checkArgs(Method m, Object[] args, boolean debug) {
    Class<?>[] types = m.getParameterTypes();
    if (types.length != args.length) {
      if (debug)
        print("Bad parameter length: " + args.length + " vs " + types.length);
      return false;
    }
    for (int i = 0; i < types.length; i++) {
      Object arg = args[i];
      if (!(arg == null ? !types[i].isPrimitive() : isInstanceX(types[i], arg))) {
        if (debug)
          print("Bad parameter " + i + ": " + arg + " vs " + types[i]);
        return false;
      }
    }
    return true;
  }

  public static Method findStaticMethod(Class c, String method, Object... args) {
    Class _c = c;
    while (c != null) {
      for (Method m : c.getDeclaredMethods()) {
        if (!m.getName().equals(method))
          continue;
        if ((m.getModifiers() & Modifier.STATIC) == 0 || !findStaticMethod_checkArgs(m, args))
          continue;
        return m;
      }
      c = c.getSuperclass();
    }
    return null;
  }

  public static boolean findStaticMethod_checkArgs(Method m, Object[] args) {
    Class<?>[] types = m.getParameterTypes();
    if (types.length != args.length)
      return false;
    for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i])))
      return false;
    return true;
  }

  public static BWImage img_distanceFromColor_withGain(RGBImage img, RGB color, double gain) {
    int w = img.getWidth(), h = img.getHeight();
    int col = color.getInt();
    BWImage bw = new BWImage(w, h);
    for (int y = 0; y < h; y++) for (int x = 0; x < w; x++) bw.setPixel(x, y, rgbDiff(img.getInt(x, y), col) * (float) gain);
    return bw;
  }

  public static BWImage img_distanceFromColor_withGain(BufferedImage img, RGB color, double gain) {
    int w = img.getWidth(), h = img.getHeight();
    int col = color.getInt();
    BWImage bw = new BWImage(w, h);
    for (int y = 0; y < h; y++) for (int x = 0; x < w; x++) bw.setPixel(x, y, rgbDiff(img.getRGB(x, y), col) * (float) gain);
    return bw;
  }

  public static BWImage img_distanceFromColor_withGain(double gain, BufferedImage img, RGB color) {
    return img_distanceFromColor_withGain(img, color, gain);
  }

  public static RGB rgbFromInts(int r, int g, int b) {
    return RGB.newSafe(r / 255f, g / 255f, b / 255f);
  }

  public static IntRange doubleToIntRange_endPlus1(double factor, DoubleRange r) {
    return r == null ? null : intRange(iround(r.start * factor), iround(r.end * factor) + 1);
  }

  public static List<Rect> filterRectsByWidthRange(Collection<Rect> l, IntRange range) {
    return filter(l, new F1<Rect, Boolean>() {

      public Boolean get(Rect r) {
        try {
          return intRangeContains(range, r.w);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "intRangeContains(range, r.w)";
      }
    });
  }

  public static List<Rect> filterRectsByHeightRange(Collection<Rect> l, IntRange range) {
    return filter(l, new F1<Rect, Boolean>() {

      public Boolean get(Rect r) {
        try {
          return intRangeContains(range, r.h);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "intRangeContains(range, r.h)";
      }
    });
  }

  public static List<Rect> filterRectsByCenterXRange(Collection<Rect> l, IntRange range) {
    return filter(l, new F1<Rect, Boolean>() {

      public Boolean get(Rect r) {
        try {
          return intRangeContains(range, rectCenterX(r));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "intRangeContains(range, rectCenterX(r))";
      }
    });
  }

  public static List<Rect> filterRectsByCenterYRange(Collection<Rect> l, IntRange range) {
    return filter(l, new F1<Rect, Boolean>() {

      public Boolean get(Rect r) {
        try {
          return intRangeContains(range, rectCenterY(r));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "intRangeContains(range, rectCenterY(r))";
      }
    });
  }

  public static <A> A clone(A o) {
    ArrayDeque<Runnable> q = new ArrayDeque();
    Object x = clone_impl(o, new IdentityHashMap(), q);
    while (!q.isEmpty()) q.poll().run();
    return (A) x;
  }

  public static Object clone_impl(Object o, final IdentityHashMap seen, final ArrayDeque<Runnable> q) {
    try {
      if (o == null)
        return null;
      Object y = seen.get(o);
      if (y != null)
        return y;
      if (o instanceof List) {
        final List l = new ArrayList();
        seen.put(o, l);
        for (final Object x : (List) o) q.add(new Runnable() {

          public void run() {
            try {
              l.add(clone_impl(x, seen, q));
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "l.add(clone_impl(x, seen, q))";
          }
        });
        return l;
      }
      if (o instanceof Map) {
        final Map m = similarEmptyMap((Map) o);
        seen.put(o, m);
        for (Object entry : ((Map) o).entrySet()) {
          final Map.Entry e = (Map.Entry) entry;
          q.add(new Runnable() {

            public void run() {
              try {
                m.put(clone_impl(e.getKey(), seen, q), clone_impl(e.getValue(), seen, q));
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "m.put(clone_impl(e.getKey(), seen, q), clone_impl(e.getValue(), seen, q))";
            }
          });
        }
        return m;
      }
      if (o instanceof String || o instanceof Number || o instanceof Boolean)
        return o;
      if (o instanceof Object[]) {
        final Object[] l = (Object[]) o;
        final Object[] l2 = l.clone();
        seen.put(o, l2);
        for (int i = 0; i < l.length; i++) {
          final int _i = i;
          q.add(new Runnable() {

            public void run() {
              try {
                l2[_i] = clone_impl(l[_i], seen, q);
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "l2[_i] = clone_impl(l[_i], seen, q)";
            }
          });
        }
        return l2;
      }
      final Object clone = nuObjectWithoutArguments(o.getClass());
      seen.put(o, clone);
      Class c = o.getClass();
      while (c != Object.class) {
        Field[] fields = c.getDeclaredFields();
        for (final Field field : fields) {
          if ((field.getModifiers() & Modifier.STATIC) != 0)
            continue;
          field.setAccessible(true);
          final Object value = field.get(o);
          q.add(new Runnable() {

            public void run() {
              try {
                field.set(clone, clone_impl(value, seen, q));
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "field.set(clone, clone_impl(value, seen, q))";
            }
          });
        }
        c = c.getSuperclass();
      }
      return clone;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> A shallowNonTransientClone(A o) {
    return o == null ? null : (A) shallowNonTransientCloneToClass(o.getClass(), o);
  }

  public static String sfu(Object o) {
    return structureForUser(o);
  }

  public static Q dm_q() {
    return dm_current_mandatory().q();
  }

  public static void dm_q(Runnable r) {
    dm_inQ(r);
  }

  public static void dm_q(DynModule module, Runnable r) {
    module.q().add(r);
  }

  public static Class _run(String progID, String... args) {
    Class main = hotwire(progID);
    callMain(main, args);
    return main;
  }

  public static void cancelAndInterruptThread(Thread t) {
    if (t == null)
      return;
    cancelThread(t);
    t.interrupt();
  }

  public static Point mouseLocation() {
    return getMouseLocation();
  }

  public static List<NativeKeyAdapter> onGlobalKeyPress_listeners = synchroList();

  public static AutoCloseable onGlobalKeyPress(final Object f) {
    jnativehook_init();
    final NativeKeyAdapter listener = new NativeKeyAdapter() {

      public void nativeKeyPressed(NativeKeyEvent e) {
        pcallF(f, e);
      }
    };
    GlobalScreen.addNativeKeyListener(addAndReturn(onGlobalKeyPress_listeners, listener));
    return new AutoCloseable() {

      public String toString() {
        return "GlobalScreen.removeNativeKeyListener(listener);";
      }

      public void close() throws Exception {
        GlobalScreen.removeNativeKeyListener(listener);
      }
    };
  }

  public static void cleanMeUp_onGlobalKeyPress() {
    for (NativeKeyAdapter a : getAndClearList(onGlobalKeyPress_listeners)) GlobalScreen.removeNativeKeyListener(a);
  }

  public static double pointDistance(Pt a, Pt b) {
    return sqrt(sqr(a.x - b.x) + sqr(a.y - b.y));
  }

  public static double pointDistance(double x1, double y1, double x2, double y2) {
    return sqrt(sqr(x1 - x2) + sqr(y1 - y2));
  }

  public static String nPixels(long n) {
    return n2(n, "pixel");
  }

  public static String nPixels(Collection l) {
    return nPixels(l(l));
  }

  public static double ptDistance(Pt a, Pt b) {
    return pointDistance(a, b);
  }

  public static Pt normalizePointToScreen(Pt p) {
    return new Pt(min(screenWidth() - 1, max(p.x, 0)), min(screenHeight() - 1, max(p.y, 0)));
  }

  public static Point blendPoints(Point x, Point y, double yish) {
    double xish = 1 - yish;
    return new Point((int) (x.x * xish + y.x * yish), (int) (x.y * xish + y.y * yish));
  }

  public static Pt blendPoints(Pt x, Pt y, double yish) {
    double xish = 1 - yish;
    return new Pt((int) (x.x * xish + y.x * yish), (int) (x.y * xish + y.y * yish));
  }

  public static Pt blendPoints(Pt x, double xf, Pt y, double yf) {
    return new Pt((int) (x.x * xf + y.x * yf), (int) (x.y * xf + y.y * yf));
  }

  public static Pt blendPoints(int x1, int y1, int x2, int y2, double yish) {
    return blendPoints(new Pt(x1, y1), new Pt(x2, y2), yish);
  }

  public static void moveMouseImmediate(int newx, int newy) {
    try {
      mouseMover().moveMouseImmediate(pt(newx, newy));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void moveMouseImmediate(Pt p) {
    if (p != null)
      moveMouseImmediate(p.x, p.y);
  }

  public static void moveMouseImmediate(Rect r) {
    moveMouseImmediate(centerOfRect(r));
  }

  public static int systemHashCode(Object o) {
    return identityHashCode(o);
  }

  public static <B, A extends B> A addAndReturn(Collection<B> c, A a) {
    if (c != null)
      c.add(a);
    return a;
  }

  public static <B, A extends B> A removeAndReturn(Collection<B> c, A a) {
    if (c != null)
      c.remove(a);
    return a;
  }

  public static <A> List<A> getAndClearList(Collection<A> l) {
    if (l == null)
      return emptyList();
    synchronized (collectionMutex(l)) {
      List<A> out = cloneList(l);
      l.clear();
      return out;
    }
  }

  public static int hashCodeFor(Object a) {
    return a == null ? 0 : a.hashCode();
  }

  public static float clamp(float x, float a, float b) {
    return x < a ? a : x > b ? b : x;
  }

  public static double clamp(double x, double a, double b) {
    return x < a ? a : x > b ? b : x;
  }

  public static int clamp(int x, int a, int b) {
    return x < a ? a : x > b ? b : x;
  }

  public static boolean stdEq2(Object a, Object b) {
    if (a == null)
      return b == null;
    if (b == null)
      return false;
    if (a.getClass() != b.getClass())
      return false;
    for (String field : allFields(a)) if (neq(getOpt(a, field), getOpt(b, field)))
      return false;
    return true;
  }

  public static int stdHash2(Object a) {
    if (a == null)
      return 0;
    return stdHash(a, toStringArray(allFields(a)));
  }

  public static void fill(RGBImage img, String col) {
    RGB rgb = new RGB(col);
    int w = img.getWidth(), h = img.getHeight();
    for (int y = 0; y < h; y++) for (int x = 0; x < w; x++) img.setPixel(x, y, rgb);
  }

  public static Rect scaleRect(Rect r, double factorX, double factorY) {
    return new Rect(iround(r.x * factorX), iround(r.y * factorY), iround(r.w * factorX), iround(r.h * factorY));
  }

  public static Rect scaleRect(Rect r, double factor) {
    return scaleRect(r, factor, factor);
  }

  public static float autoCropOfBWImage_blackBG_threshold = 0.2f;

  public static Rect autoCropOfBWImage_blackBG(BWImage img) {
    return autoCropOfBWImage(img, new Rect(0, 0, img.getWidth(), img.getHeight()));
  }

  public static Rect autoCropOfBWImage_blackBG(BWImage img, Rect r) {
    return autoCropOfBWImage(img, r, autoCropOfBWImage_blackBG_threshold);
  }

  public static Rect autoCropOfBWImage_blackBG(BWImage img, Rect r, float threshold) {
    int x1 = r.x, y1 = r.y, x2 = r.x2(), y2 = r.y2();
    end1: while (x1 < x2) {
      for (int y = y1; y < y2; y++) if (img.getPixel(x1, y) >= threshold)
        break end1;
      x1++;
    }
    end2: while (y1 < y2) {
      for (int x = x1; x < x2; x++) if (img.getPixel(x, y1) >= threshold)
        break end2;
      y1++;
    }
    end3: while (x2 > x1) {
      for (int y = y1; y < y2; y++) if (img.getPixel(x2 - 1, y) >= threshold)
        break end3;
      x2--;
    }
    end4: while (y2 > y1) {
      for (int x = x1; x < x2; x++) if (img.getPixel(x, y2 - 1) >= threshold)
        break end4;
      y2--;
    }
    if (x2 <= x1 || y2 <= y1)
      return r;
    else
      return new Rect(x1, y1, x2 - x1, y2 - y1);
  }

  public static float autoCropOfBWImage_threshold = 0.9f;

  public static Rect autoCropOfBWImage(BWImage img) {
    return autoCropOfBWImage(img, new Rect(0, 0, img.getWidth(), img.getHeight()));
  }

  public static Rect autoCropOfBWImage(BWImage img, Rect r) {
    return autoCropOfBWImage(img, r, autoCropOfBWImage_threshold);
  }

  public static Rect autoCropOfBWImage(BWImage img, Rect r, float threshold) {
    int x1 = r.x, y1 = r.y, x2 = r.x2(), y2 = r.y2();
    end1: while (x1 < x2) {
      for (int y = y1; y < y2; y++) if (img.getPixel(x1, y) <= threshold)
        break end1;
      x1++;
    }
    end2: while (y1 < y2) {
      for (int x = x1; x < x2; x++) if (img.getPixel(x, y1) <= threshold)
        break end2;
      y1++;
    }
    end3: while (x2 > x1) {
      for (int y = y1; y < y2; y++) if (img.getPixel(x2 - 1, y) <= threshold)
        break end3;
      x2--;
    }
    end4: while (y2 > y1) {
      for (int x = x1; x < x2; x++) if (img.getPixel(x, y2 - 1) <= threshold)
        break end4;
      y2--;
    }
    if (x2 <= x1 || y2 <= y1)
      return r;
    else
      return new Rect(x1, y1, x2 - x1, y2 - y1);
  }

  public static Rect rectUnion(Rect a, Rect b) {
    if (a == null)
      return b;
    if (b == null)
      return a;
    int x = min(a.x, b.x), y = min(a.y, b.y);
    int x2 = max(a.x + a.w, b.x + b.w), y2 = max(a.y + a.h, b.y + b.h);
    return new Rect(x, y, x2 - x, y2 - y);
  }

  public static void darkenBWImagePart(BWImage img, Rect r) {
    darkenBWImagePart(img, r, 0.8f);
  }

  public static void darkenBWImagePart(BWImage img, Rect r, float factor) {
    int x2 = r.x2(), y2 = r.y2();
    for (int y = r.y; y < y2; y++) for (int x = r.x; x < x2; x++) img.setPixel(x, y, img.getPixel(x, y) * factor);
  }

  public static float rgbDiff(RGB a, RGB b) {
    return (float) (Math.abs(a.r - b.r) + Math.abs(a.g - b.g) + Math.abs(a.b - b.b)) / 3;
  }

  public static float rgbDiff(int a, int b) {
    int r1 = (a >> 16) & 0xFF;
    int g1 = (a >> 8) & 0xFF;
    int b1 = a & 0xFF;
    int r2 = (b >> 16) & 0xFF;
    int g2 = (b >> 8) & 0xFF;
    int b2 = b & 0xFF;
    return (Math.abs(r1 - r2) + Math.abs(g1 - g2) + Math.abs(b1 - b2)) / (3f * 255);
  }

  public static IntRange intRange(int start, int end) {
    return new IntRange(start, end);
  }

  public static boolean intRangeContains(IntRange r, int i) {
    return r != null && i >= r.start && i < r.end;
  }

  public static Integer rectCenterX(Rect r) {
    return r == null ? null : r.x + r.w / 2;
  }

  public static Integer rectCenterY(Rect r) {
    return r == null ? null : r.y + r.h / 2;
  }

  public static Map similarEmptyMap(Map m) {
    if (m instanceof TreeMap)
      return new TreeMap(((TreeMap) m).comparator());
    if (m instanceof LinkedHashMap)
      return new LinkedHashMap();
    return new HashMap();
  }

  public static <A> A shallowNonTransientCloneToClass(Class<A> c, Object o) {
    if (o == null)
      return null;
    A a = nuInstance(c);
    copyNonTransientFields(o, a);
    return a;
  }

  public static String structureForUser(Object o) {
    return beautifyStructure(struct_noStringSharing(o));
  }

  public static void dm_inQ(Runnable r) {
    dm_q().add(r);
  }

  public static void cancelThread(Thread t) {
    if (t == null)
      return;
    ping();
    synchronized (ping_actions) {
      ping_actions.put(t, "cancelled");
      ping_anyActions = true;
    }
  }

  public static List<String> _stickyLibs_1010550 = ll("#1010545");

  public static volatile boolean jnativehook_inited = false;

  public static void jnativehook_init() {
    try {
      if (jnativehook_inited)
        return;
      try {
        jnativehook_init2();
      } catch (Throwable e) {
        print("jnativehook_init fail: " + e.getMessage());
        if (contains(e.getMessage(), "libxkbcommon"))
          throw fail("Please try: sudo apt-get install libxkbcommon", e);
        throw rethrow(e);
      }
      jnativehook_inited = true;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void jnativehook_init2() {
    try {
      java.util.logging.Logger.getLogger(GlobalScreen.class.getPackage().getName()).setLevel(java.util.logging.Level.OFF);
      GlobalScreen.registerNativeHook();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static double sqrt(double x) {
    return Math.sqrt(x);
  }

  public static int sqr(int i) {
    return i * i;
  }

  public static long sqr(long l) {
    return l * l;
  }

  public static double sqr(double d) {
    return d * d;
  }

  public static float sqr(float f) {
    return f * f;
  }

  public static int screenWidth() {
    return getScreenWidth();
  }

  public static int screenHeight() {
    return getScreenHeight();
  }

  public static int identityHashCode(Object o) {
    return System.identityHashCode(o);
  }

  public static Set<String> allFields(Object o) {
    TreeSet<String> fields = new TreeSet();
    Class _c = _getClass(o);
    do {
      for (Field f : _c.getDeclaredFields()) fields.add(f.getName());
      _c = _c.getSuperclass();
    } while (_c != null);
    return fields;
  }

  public static int stdHash(Object a, String... fields) {
    if (a == null)
      return 0;
    int hash = getClassName(a).hashCode();
    for (String field : fields) hash = boostHashCombine(hash, hashCode(getOpt(a, field)));
    return hash;
  }

  public static String[] toStringArray(Collection<String> c) {
    String[] a = new String[l(c)];
    Iterator<String> it = c.iterator();
    for (int i = 0; i < l(a); i++) a[i] = it.next();
    return a;
  }

  public static String[] toStringArray(Object o) {
    if (o instanceof String[])
      return (String[]) o;
    else if (o instanceof Collection)
      return toStringArray((Collection<String>) o);
    else
      throw fail("Not a collection or array: " + getClassName(o));
  }

  public static <A> A nuInstance(Class<A> c) {
    return nuEmptyObject(c);
  }

  public static <A> A copyNonTransientFields(Object x, A y) {
    return copyFields(x, y, nonTransientNonStaticFields(x));
  }

  public static String beautifyStructure(String s) {
    List<String> tok = javaTok(s);
    structure_addTokenMarkers(tok);
    jreplace(tok, "lhm", "");
    return join(tok);
  }

  public static String struct_noStringSharing(Object o) {
    structure_Data d = new structure_Data();
    d.noStringSharing = true;
    return structure(o, d);
  }

  public static int getScreenWidth() {
    return getScreenSize().width;
  }

  public static int getScreenHeight() {
    return getScreenSize().height;
  }

  public static int boostHashCombine(int a, int b) {
    return a ^ (b + 0x9e3779b9 + (a << 6) + (a >> 2));
  }

  public static int hashCode(Object a) {
    return a == null ? 0 : a.hashCode();
  }

  public static <A> A copyFields(Object x, A y, String... fields) {
    if (empty(fields)) {
      Map<String, Object> map = objectToMap(x);
      for (String field : map.keySet()) setOpt(y, field, map.get(field));
    } else
      for (String field : fields) {
        Object o = getOpt(x, field);
        if (o != null)
          setOpt(y, field, o);
      }
    return y;
  }

  public static <A> A copyFields(Object x, A y, Collection<String> fields) {
    return copyFields(x, y, asStringArray(fields));
  }

  public static Set<String> nonTransientNonStaticFields(Object o) {
    return allNonStaticNonTransientFields(o);
  }

  public static String structure_addTokenMarkers(String s) {
    return join(structure_addTokenMarkers(javaTok(s)));
  }

  public static List<String> structure_addTokenMarkers(List<String> tok) {
    TreeSet<Integer> refs = new TreeSet();
    for (int i = 1; i < l(tok); i += 2) {
      String t = tok.get(i);
      if (t.startsWith("t") && isInteger(t.substring(1)))
        refs.add(parseInt(t.substring(1)));
    }
    if (empty(refs))
      return tok;
    for (int i : refs) {
      int idx = i * 2 + 1;
      if (idx >= l(tok))
        continue;
      String t = "";
      if (endsWithLetterOrDigit(tok.get(idx - 1)))
        t = " ";
      tok.set(idx, t + "m" + i + " " + tok.get(idx));
    }
    return tok;
  }

  public static String jreplace(String s, String in, String out) {
    return jreplace(s, in, out, null);
  }

  public static String jreplace(String s, String in, String out, Object condition) {
    List<String> tok = javaTok(s);
    return jreplace(tok, in, out, condition) ? join(tok) : s;
  }

  public static boolean jreplace(List<String> tok, String in, String out) {
    return jreplace(tok, in, out, false, true, null);
  }

  public static boolean jreplace(List<String> tok, String in, String out, Object condition) {
    return jreplace(tok, in, out, false, true, condition);
  }

  public static boolean jreplace(List<String> tok, String in, String out, boolean ignoreCase, boolean reTok, Object condition) {
    String[] toks = javaTokForJFind_array(in);
    int lTokin = toks.length * 2 + 1;
    boolean anyChange = false;
    int i = -1;
    for (int n = 0; n < 10000; n++) {
      i = findCodeTokens(tok, i + 1, ignoreCase, toks, condition);
      if (i < 0)
        return anyChange;
      List<String> subList = tok.subList(i - 1, i + lTokin - 1);
      String expansion = jreplaceExpandRefs(out, subList);
      int end = i + lTokin - 2;
      clearAllTokens(tok, i, end);
      tok.set(i, expansion);
      if (reTok)
        reTok(tok, i, end);
      i = end;
      anyChange = true;
    }
    throw fail("woot? 10000! " + quote(in) + " => " + quote(out));
  }

  public static boolean jreplace_debug = false;

  public static Map<String, Object> objectToMap(Object o) {
    try {
      if (o instanceof Map)
        return (Map) o;
      TreeMap<String, Object> map = new TreeMap();
      Class c = o.getClass();
      while (c != Object.class) {
        Field[] fields = c.getDeclaredFields();
        for (final Field field : fields) {
          if ((field.getModifiers() & Modifier.STATIC) != 0)
            continue;
          field.setAccessible(true);
          final Object value = field.get(o);
          if (value != null)
            map.put(field.getName(), value);
        }
        c = c.getSuperclass();
      }
      if (o instanceof DynamicObject)
        map.putAll(((DynamicObject) o).fieldValues);
      return map;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static List<Map<String, Object>> objectToMap(Iterable l) {
    if (l == null)
      return null;
    List x = new ArrayList();
    for (Object o : l) x.add(objectToMap(o));
    return x;
  }

  public static String[] asStringArray(Collection<String> c) {
    return toStringArray(c);
  }

  public static String[] asStringArray(Object o) {
    return toStringArray(o);
  }

  public static Map<String, String[]> javaTokForJFind_array_cache = synchronizedMRUCache(1000);

  public static String[] javaTokForJFind_array(String s) {
    String[] tok = javaTokForJFind_array_cache.get(s);
    if (tok == null)
      javaTokForJFind_array_cache.put(s, tok = codeTokensAsStringArray(jfind_preprocess(javaTok(s))));
    return tok;
  }

  public static int findCodeTokens(List<String> tok, String... tokens) {
    return findCodeTokens(tok, 1, false, tokens);
  }

  public static int findCodeTokens(List<String> tok, boolean ignoreCase, String... tokens) {
    return findCodeTokens(tok, 1, ignoreCase, tokens);
  }

  public static int findCodeTokens(List<String> tok, int startIdx, boolean ignoreCase, String... tokens) {
    return findCodeTokens(tok, startIdx, ignoreCase, tokens, null);
  }

  public static HashSet<String> findCodeTokens_specials = lithashset("*", "<quoted>", "<id>", "<int>", "\\*");

  public static int findCodeTokens_bails, findCodeTokens_nonbails;

  public static interface findCodeTokens_Matcher {

    public boolean get(String token);
  }

  public static int findCodeTokens(List<String> tok, int startIdx, boolean ignoreCase, String[] tokens, Object condition) {
    int end = tok.size() - tokens.length * 2 + 2, nTokens = tokens.length;
    int i = startIdx | 1;
    String firstToken = tokens[0];
    if (!ignoreCase && !findCodeTokens_specials.contains(firstToken)) {
      while (i < end && !firstToken.equals(tok.get(i))) i += 2;
    }
    findCodeTokens_Matcher[] matchers = new findCodeTokens_Matcher[nTokens];
    for (int j = 0; j < nTokens; j++) {
      String p = tokens[j];
      findCodeTokens_Matcher matcher;
      if (p.equals("*"))
        matcher = t -> true;
      else if (p.equals("<quoted>"))
        matcher = t -> isQuoted(t);
      else if (p.equals("<id>"))
        matcher = t -> isIdentifier(t);
      else if (p.equals("<int>"))
        matcher = t -> isInteger(t);
      else if (p.equals("\\*"))
        matcher = t -> t.equals("*");
      else if (ignoreCase)
        matcher = t -> eqic(p, t);
      else
        matcher = t -> t.equals(p);
      matchers[j] = matcher;
    }
    outer: for (; i < end; i += 2) {
      for (int j = 0; j < nTokens; j++) if (!matchers[j].get(tok.get(i + j * 2)))
        continue outer;
      if (condition == null || checkTokCondition(condition, tok, i - 1))
        return i;
    }
    return -1;
  }

  public static String jreplaceExpandRefs(String s, List<String> tokref) {
    List<String> tok = javaTok(s);
    for (int i = 1; i < l(tok); i += 2) {
      if (tok.get(i).startsWith("$") && isInteger(tok.get(i).substring(1))) {
        String x = tokref.get(-1 + parseInt(tok.get(i).substring(1)) * 2);
        tok.set(i, x);
      }
    }
    return join(tok);
  }

  public static void clearAllTokens(List<String> tok) {
    for (int i = 0; i < tok.size(); i++) tok.set(i, "");
  }

  public static void clearAllTokens(List<String> tok, int i, int j) {
    for (; i < j; i++) tok.set(i, "");
  }

  public static List<String> reTok(List<String> tok) {
    replaceCollection(tok, javaTok(tok));
    return tok;
  }

  public static List<String> reTok(List<String> tok, int i) {
    return reTok(tok, i, i + 1);
  }

  public static List<String> reTok(List<String> tok, int i, int j) {
    i = i & ~1;
    j = min(l(tok), j | 1);
    if (i >= j)
      return tok;
    List<String> t = javaTok(join(subList(tok, i, j)));
    replaceListPart(tok, i, j, t);
    return tok;
  }

  public static List<String> reTok(List<String> tok, IntRange r) {
    if (r != null)
      reTok(tok, r.start, r.end);
    return tok;
  }

  public static <A, B> Map<A, B> synchronizedMRUCache(int maxSize) {
    return synchroMap(new MRUCache(maxSize));
  }

  public static String[] codeTokensAsStringArray(List<String> tok) {
    int n = max(0, (l(tok) - 1) / 2);
    String[] out = new String[n];
    for (int i = 0; i < n; i++) out[i] = tok.get(i * 2 + 1);
    return out;
  }

  public static int jfind(String s, String in) {
    return jfind(javaTok(s), in);
  }

  public static int jfind(List<String> tok, String in) {
    return jfind(tok, 1, in);
  }

  public static int jfind(List<String> tok, int startIdx, String in) {
    return jfind(tok, startIdx, in, null);
  }

  public static int jfind(List<String> tok, String in, Object condition) {
    return jfind(tok, 1, in, condition);
  }

  public static int jfind(List<String> tok, int startIdx, String in, Object condition) {
    return jfind(tok, startIdx, javaTokForJFind_array(in), condition);
  }

  public static int jfind(List<String> tok, List<String> tokin) {
    return jfind(tok, 1, tokin);
  }

  public static int jfind(List<String> tok, int startIdx, List<String> tokin) {
    return jfind(tok, startIdx, tokin, null);
  }

  public static int jfind(List<String> tok, int startIdx, String[] tokinC, Object condition) {
    return findCodeTokens(tok, startIdx, false, tokinC, condition);
  }

  public static int jfind(List<String> tok, int startIdx, List<String> tokin, Object condition) {
    return jfind(tok, startIdx, codeTokensAsStringArray(tokin), condition);
  }

  public static List<String> jfind_preprocess(List<String> tok) {
    for (String type : litlist("quoted", "id", "int")) replaceSublist(tok, ll("<", "", type, "", ">"), ll("<" + type + ">"));
    replaceSublist(tok, ll("\\", "", "*"), ll("\\*"));
    return tok;
  }

  public static boolean isQuoted(String s) {
    if (isNormalQuoted(s))
      return true;
    return isMultilineQuoted(s);
  }

  public static boolean checkTokCondition(Object condition, List<String> tok, int i) {
    if (condition instanceof TokCondition)
      return ((TokCondition) condition).get(tok, i);
    return checkCondition(condition, tok, i);
  }

  public static <A> void replaceCollection(Collection<A> dest, Collection<A> src) {
    dest.clear();
    dest.addAll(src);
  }

  public static void replaceListPart(List l, int i, int j, List l2) {
    int j2 = i + l(l2);
    if (j2 == j) {
      copyListPart(l2, 0, l, i, l(l2));
      return;
    }
    l.subList(i, j).clear();
    l.addAll(i, l2);
  }

  public static <A> ArrayList<A> litlist(A... a) {
    ArrayList l = new ArrayList(a.length);
    for (A x : a) l.add(x);
    return l;
  }

  public static <A> List<A> replaceSublist(List<A> l, List<A> x, List<A> y) {
    if (x == null)
      return l;
    int i = 0;
    while (true) {
      i = indexOfSubList(l, x, i);
      if (i < 0)
        break;
      removeSubList(l, i, i + l(x));
      l.addAll(i, y);
      i += l(y);
    }
    return l;
  }

  public static <A> List<A> replaceSublist(List<A> l, int fromIndex, int toIndex, List<A> y) {
    removeSubList(l, fromIndex, toIndex);
    l.addAll(fromIndex, y);
    return l;
  }

  public static <A> List<A> replaceSublist(List<A> l, IntRange r, List<A> y) {
    return replaceSublist(l, r.start, r.end, y);
  }

  public static boolean isNormalQuoted(String s) {
    int l = l(s);
    if (!(l >= 2 && s.charAt(0) == '"' && lastChar(s) == '"'))
      return false;
    int j = 1;
    while (j < l) if (s.charAt(j) == '"')
      return j == l - 1;
    else if (s.charAt(j) == '\\' && j + 1 < l)
      j += 2;
    else
      ++j;
    return false;
  }

  public static boolean isMultilineQuoted(String s) {
    if (!startsWith(s, "["))
      return false;
    int i = 1;
    while (i < s.length() && s.charAt(i) == '=') ++i;
    return i < s.length() && s.charAt(i) == '[';
  }

  public static boolean checkCondition(Object condition, Object... args) {
    return isTrue(callF(condition, args));
  }

  public static <A> boolean checkCondition(IF1<A, Boolean> condition, A arg) {
    return isTrue(callF(condition, arg));
  }

  public static <A, B extends A> void copyListPart(List<B> a, int i1, List<A> b, int i2, int n) {
    if (a == null || b == null)
      return;
    for (int i = 0; i < n; i++) b.set(i2 + i, a.get(i1 + i));
  }

  public static <A> int indexOfSubList(List<A> x, List<A> y) {
    return indexOfSubList(x, y, 0);
  }

  public static <A> int indexOfSubList(List<A> x, List<A> y, int i) {
    outer: for (; i + l(y) <= l(x); i++) {
      for (int j = 0; j < l(y); j++) if (neq(x.get(i + j), y.get(j)))
        continue outer;
      return i;
    }
    return -1;
  }

  public static <A> int indexOfSubList(List<A> x, A[] y, int i) {
    outer: for (; i + l(y) <= l(x); i++) {
      for (int j = 0; j < l(y); j++) if (neq(x.get(i + j), y[j]))
        continue outer;
      return i;
    }
    return -1;
  }

  public static void removeSubList(List l, int from, int to) {
    if (l != null)
      subList(l, from, to).clear();
  }

  public static void removeSubList(List l, int from) {
    if (l != null)
      subList(l, from).clear();
  }

  public static final class DoubleRange {

    public double start, end;

    public DoubleRange() {
    }

    public DoubleRange(double start, double end) {
      this.end = end;
      this.start = start;
    }

    public boolean equals(Object o) {
      return stdEq2(this, o);
    }

    public int hashCode() {
      return stdHash2(this);
    }

    public double length() {
      return end - start;
    }

    public static String _fieldOrder = "start end";

    public String toString() {
      return "[" + start + ";" + end + "]";
    }
  }

  public static class MRUCache<A, B> extends LinkedHashMap<A, B> {

    public int maxSize = 10;

    public MRUCache() {
    }

    public MRUCache(int maxSize) {
      this.maxSize = maxSize;
    }

    public boolean removeEldestEntry(Map.Entry eldest) {
      return size() > maxSize;
    }

    public Object _serialize() {
      return ll(maxSize, cloneLinkedHashMap(this));
    }

    public static MRUCache _deserialize(List l) {
      MRUCache m = new MRUCache();
      m.maxSize = (int) first(l);
      m.putAll((LinkedHashMap) second(l));
      return m;
    }
  }

  public abstract static class TokCondition {

    public abstract boolean get(List<String> tok, int i);
  }

  public static JPanel centerAndSouthWithMargins(Component c, Component s) {
    return applyDefaultMargin(centerAndSouth(c, withTopMargin(s)));
  }

  public static JPanel jrightalignedline(Component... components) {
    return jrightAlignedLine(components);
  }

  public static JPanel jrightalignedline(List<Component> components) {
    return jrightAlignedLine(components);
  }

  public static JCheckBox dm_fieldCheckBox(String field) {
    return dm_fieldCheckBox(humanizeFormLabel(field), field);
  }

  public static JCheckBox dm_fieldCheckBox(String text, String field) {
    if (isIdentifier(text) && !isIdentifier(field)) {
      String temp = field;
      field = text;
      text = temp;
    }
    return jLiveValueCheckBox(text, dm_fieldLiveValue(field));
  }

  public static int length(Object[] array) {
    return array == null ? 0 : array.length;
  }

  public static int length(List list) {
    return list == null ? 0 : list.size();
  }

  public static int length(String s) {
    return s == null ? 0 : s.length();
  }

  public static <A, B> LinkedHashMap<A, B> cloneLinkedHashMap(Map<A, B> map) {
    return map == null ? new LinkedHashMap() : new LinkedHashMap(map);
  }

  public static <A extends JComponent> A applyDefaultMargin(final A c) {
    if (c != null) {
      swing(new Runnable() {

        public void run() {
          try {
            c.setBorder(BorderFactory.createEmptyBorder(withMargin_defaultWidth, withMargin_defaultWidth, withMargin_defaultWidth, withMargin_defaultWidth));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "c.setBorder(BorderFactory.createEmptyBorder(withMargin_defaultWidth, withMarg...";
        }
      });
    }
    return c;
  }

  public static JPanel jrightAlignedLine(final Component... components) {
    return swing(new F0<RightAlignedLine>() {

      public RightAlignedLine get() {
        try {
          return new RightAlignedLine(components);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret RightAlignedLine(components);";
      }
    });
  }

  public static JPanel jrightAlignedLine(List<? extends Component> components) {
    return jrightAlignedLine(asArray(Component.class, components));
  }

  public static JCheckBox jLiveValueCheckBox(String text, final SimpleLiveValue<Boolean> lv) {
    final JCheckBox cb = jCheckBox(text);
    bindCheckBoxToLiveValue(cb, lv);
    return cb;
  }

  public static JCheckBox jCheckBox() {
    return swingNu(JCheckBox.class);
  }

  public static JCheckBox jCheckBox(boolean checked) {
    return swingNu(JCheckBox.class, "", checked);
  }

  public static JCheckBox jCheckBox(String text, boolean checked) {
    return swingNu(JCheckBox.class, text, checked);
  }

  public static JCheckBox jCheckBox(String text) {
    return swingNu(JCheckBox.class, text);
  }

  public static JCheckBox jCheckBox(String text, boolean checked, final Object onChange) {
    JCheckBox cb = jCheckBox(checked, onChange);
    cb.setText(text);
    return cb;
  }

  public static JCheckBox jCheckBox(boolean checked, final Object onChange) {
    final JCheckBox cb = jCheckBox(checked);
    cb.addChangeListener(new ChangeListener() {

      public void stateChanged(ChangeEvent e) {
        pcallF(onChange, cb.isSelected());
      }
    });
    return cb;
  }

  public static <A extends JCheckBox> A bindCheckBoxToLiveValue(final A cb, final SimpleLiveValue<Boolean> lv) {
    bindLiveValueListenerToComponent(cb, lv, new Runnable() {

      public void run() {
        try {
          setChecked(cb, isTrue(lv.get()));
          ;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ifdef bindCheckBoxToLiveValue_debug\r\n      print(\"bindCheckBoxToLiveValue: se...";
      }
    });
    onChange(cb, new Runnable() {

      public void run() {
        try {
          lv.set(isChecked(cb));
          ;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ifdef bindCheckBoxToLiveValue_debug\r\n      print(\"bindCheckBoxToLiveValue: se...";
      }
    });
    return cb;
  }

  public static void setChecked(final JCheckBox checkBox, final boolean b) {
    if (checkBox != null) {
      swing(new Runnable() {

        public void run() {
          try {
            if (isChecked(checkBox) != b)
              checkBox.setSelected(b);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "if (isChecked(checkBox) != b)\r\n      checkBox.setSelected(b);";
        }
      });
    }
  }

  public static boolean isChecked(final JCheckBox checkBox) {
    return checkBox != null && (boolean) swing(new F0<Boolean>() {

      public Boolean get() {
        try {
          return checkBox.isSelected();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret checkBox.isSelected();";
      }
    });
  }

  public static boolean isChecked(final JCheckBoxMenuItem mi) {
    return mi != null && (boolean) swing(new F0<Boolean>() {

      public Boolean get() {
        try {
          return mi.isSelected();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret mi.isSelected();";
      }
    });
  }

  public static class RightAlignedLine extends JPanel {

    public RightAlignedLine(Component... components) {
      setLayout(LetterLayout.rightAlignedRow());
      for (Component component : components) add(component);
    }

    public void add(String text) {
      add(new JLabel(text));
    }
  }

  public static class LetterLayout implements LayoutManager {

    public String[] lines;

    public Map<String, Component> map = new TreeMap<String, Component>();

    public RC[] rows;

    public RC[] cols;

    public Cell[][] cells;

    public int spacingX = 10, spacingY = 10;

    public int insetTop, insetBottom, insetLeft, insetRight;

    public int template;

    public boolean formWideLeftSide, formWideRightSide;

    public static final int STALACTITE = 1, LEFT_ALIGNED_ROW = 2, CENTERED_ROW = 3, FORM = 4, RIGHT_ALIGNED_ROW = 5;

    public boolean debug = false;

    public void setLeftBorder(int border) {
      insetLeft = border;
    }

    public void setRightBorder(int border) {
      insetRight = border;
    }

    public static JComponent withBorder(JComponent component, int border) {
      JPanel panel = new JPanel(new LetterLayout("C").setBorder(border));
      panel.add("C", component);
      return panel;
    }

    public static JPanel panel(String... lines) {
      return new JPanel(new LetterLayout(lines));
    }

    public static JPanel stalactitePanel() {
      return new JPanel(stalactite());
    }

    public static class DummyComponent extends JComponent {
    }

    public static class Cell {

      public boolean aux = false;

      public int minWidth, minHeight;

      public Component component;

      public int colspan, rowspan;

      public double weightX, weightY;
    }

    public static class RC {

      public int min;

      public double weightSum;

      public int start;

      public int minEnd;
    }

    public LetterLayout(int template) {
      this.template = template;
    }

    public LetterLayout(String... lines) {
      this.lines = lines;
    }

    public void removeLayoutComponent(Component component) {
      map.values().remove(component);
    }

    public void layoutContainer(Container container) {
      prepareLayout(container);
      if (debug)
        System.out.println("Container size: " + container.getSize());
      Insets insets = getInsets(container);
      for (int r = 0; r < rows.length; r++) {
        for (int i = 0; i < cols.length; ) {
          Cell cell = cells[i][r];
          if (cell.aux)
            ++i;
          else {
            if (cell.component != null) {
              int x1 = cols[i].start;
              int y1 = rows[r].start;
              int x2 = i + cell.colspan < cols.length ? cols[i + cell.colspan].start - spacingX : container.getWidth() - insets.right;
              int y2 = r + cell.rowspan < rows.length ? rows[r + cell.rowspan].start - spacingY : container.getHeight() - insets.bottom;
              if (debug)
                System.out.println("Layouting (" + i + ", " + r + ", " + cell.component.getClass().getName() + "): " + x1 + " " + y1 + " " + x2 + " " + y2);
              cell.component.setBounds(x1, y1, x2 - x1, y2 - y1);
            }
            i += cells[i][r].colspan;
          }
        }
      }
    }

    public final void prepareLayout(Container container) {
      applyTemplate(container);
      int numRows = lines.length, numCols = lines[0].length();
      for (int i = 1; i < numRows; i++) if (lines[i].length() != numCols)
        throw new IllegalArgumentException("Lines have varying length");
      cells = new Cell[numCols][numRows];
      rows = new RC[numRows];
      cols = new RC[numCols];
      for (int r = 0; r < numRows; r++) rows[r] = new RC();
      for (int i = 0; i < numCols; i++) cols[i] = new RC();
      for (int r = 0; r < numRows; r++) for (int i = 0; i < numCols; i++) cells[i][r] = new Cell();
      for (int r = 0; r < numRows; r++) {
        String line = lines[r];
        for (int i = 0; i < numCols; ) {
          Cell cell = cells[i][r];
          if (cell.aux) {
            ++i;
            continue;
          }
          char ch = line.charAt(i);
          int iNext = i;
          do ++iNext; while (iNext < numCols && ch == line.charAt(iNext));
          int rNext = r;
          do ++rNext; while (rNext < numRows && ch == lines[rNext].charAt(i));
          cell.weightX = numCols == 1 || iNext > i + 1 ? 1.0 : 0.0;
          cell.weightY = numRows == 1 || rNext > r + 1 ? 1.0 : 0.0;
          Component c = map.get(String.valueOf(ch));
          cell.component = c;
          if (c != null) {
            cell.minWidth = c.getMinimumSize().width + spacingX;
            cell.minHeight = getMinimumHeight(c) + spacingY;
          }
          cell.colspan = iNext - i;
          cell.rowspan = rNext - r;
          if (cell.colspan == 1)
            cols[i].min = Math.max(cols[i].min, cell.minWidth);
          if (cell.rowspan == 1)
            rows[r].min = Math.max(rows[r].min, cell.minHeight);
          for (int r2 = r; r2 < rNext; r2++) for (int i2 = i; i2 < iNext; i2++) if (r2 != r || i2 != i)
            cells[i2][r2].aux = true;
          i = iNext;
        }
      }
      while (true) {
        for (int i = 0; i < numCols; i++) {
          int minStart = i == 0 ? 0 : cols[i - 1].minEnd;
          double weightStart = i == 0 ? 0.0 : cols[i - 1].weightSum;
          for (int r = 0; r < numRows; r++) {
            Cell cell = cells[i][r];
            if (!cell.aux) {
              RC rc = cols[i + cell.colspan - 1];
              rc.minEnd = Math.max(rc.minEnd, minStart + cell.minWidth);
              rc.weightSum = Math.max(rc.weightSum, weightStart + cell.weightX);
            }
          }
        }
        for (int r = 0; r < numRows; r++) {
          int minStart = r == 0 ? 0 : rows[r - 1].minEnd;
          double weightStart = r == 0 ? 0.0 : rows[r - 1].weightSum;
          for (int i = 0; i < numCols; i++) {
            Cell cell = cells[i][r];
            if (!cell.aux) {
              RC rc = rows[r + cell.rowspan - 1];
              rc.minEnd = Math.max(rc.minEnd, minStart + cell.minHeight);
              rc.weightSum = Math.max(rc.weightSum, weightStart + cell.weightY);
            }
          }
        }
        if (allWeightsZero(cols)) {
          for (int r = 0; r < numRows; r++) for (int i = 0; i < numCols; i++) cells[i][r].weightX = 1.0;
          continue;
        }
        if (allWeightsZero(rows)) {
          for (int r = 0; r < numRows; r++) for (int i = 0; i < numCols; i++) cells[i][r].weightY = 1.0;
          continue;
        }
        break;
      }
      Insets insets = getInsets(container);
      determineStarts(cols, insets.left, container.getWidth() - insets.left - insets.right + spacingX, spacingX);
      determineStarts(rows, insets.top, container.getHeight() - insets.top - insets.bottom + spacingY, spacingY);
    }

    public final boolean allWeightsZero(RC[] rcs) {
      for (int i = 0; i < rcs.length; i++) if (rcs[i].weightSum != 0.0)
        return false;
      return true;
    }

    public static int getMinimumHeight(Component c) {
      return c.getMinimumSize().height;
    }

    public final void applyTemplate(Container container) {
      if (template == STALACTITE) {
        Component[] components = container.getComponents();
        lines = new String[components.length + 2];
        map.clear();
        for (int i = 0; i < components.length; i++) {
          String s = String.valueOf(makeIndexChar(i));
          map.put(s, components[i]);
          lines[i] = s;
        }
        lines[components.length] = lines[components.length + 1] = " ";
      } else if (template == FORM) {
        Component[] components = container.getComponents();
        int numRows = components.length / 2;
        lines = new String[numRows + 2];
        map.clear();
        for (int row = 0; row < numRows; row++) {
          String lower = String.valueOf(makeIndexChar(row));
          String upper = String.valueOf(makeAlternateIndexChar(row));
          Component rightComponent = components[row * 2 + 1];
          if (rightComponent instanceof DummyComponent)
            upper = lower;
          lines[row] = (formWideLeftSide ? lower + lower : lower) + (formWideRightSide ? upper + upper : upper);
          map.put(lower, components[row * 2]);
          if (!(rightComponent instanceof DummyComponent))
            map.put(upper, rightComponent);
        }
        lines[numRows] = lines[numRows + 1] = (formWideLeftSide ? "  " : " ") + (formWideRightSide ? "  " : " ");
      } else if (template == LEFT_ALIGNED_ROW) {
        lines = new String[] { makeSingleRow(container) + RIGHT_CHAR + RIGHT_CHAR };
      } else if (template == CENTERED_ROW) {
        lines = new String[] { "" + LEFT_CHAR + LEFT_CHAR + makeSingleRow(container) + RIGHT_CHAR + RIGHT_CHAR };
      } else if (template == RIGHT_ALIGNED_ROW) {
        lines = new String[] { "" + LEFT_CHAR + LEFT_CHAR + makeSingleRow(container) };
      }
    }

    public final String makeSingleRow(Container container) {
      Component[] components = container.getComponents();
      StringBuffer buf = new StringBuffer();
      map.clear();
      for (int i = 0; i < components.length; i++) {
        String s = String.valueOf(makeAlternateIndexChar(i));
        map.put(s, components[i]);
        buf.append(s);
      }
      return buf.toString();
    }

    public static void determineStarts(RC[] rcs, int start, int totalSize, int spacing) {
      int minTotal = rcs[rcs.length - 1].minEnd;
      double weightSum = rcs[rcs.length - 1].weightSum;
      int spare = (int) ((totalSize - minTotal) / (weightSum == 0.0 ? 1.0 : weightSum));
      int x = start, minSum = 0;
      double prevWeightSum = 0.0;
      for (int i = 0; i < rcs.length; i++) {
        int width = rcs[i].minEnd - minSum + (int) ((rcs[i].weightSum - prevWeightSum) * spare) - spacing;
        rcs[i].start = x;
        x += width + spacing;
        prevWeightSum = rcs[i].weightSum;
        minSum = rcs[i].minEnd;
      }
    }

    public void addLayoutComponent(String s, Component component) {
      map.put(s, component);
    }

    public Dimension minimumLayoutSize(Container container) {
      prepareLayout(container);
      Insets insets = getInsets(container);
      Dimension result = new Dimension(insets.left + cols[cols.length - 1].minEnd + insets.right - spacingX, insets.top + rows[rows.length - 1].minEnd + insets.bottom - spacingY);
      return result;
    }

    public final Insets getInsets(Container container) {
      Insets insets = container.getInsets();
      return new Insets(insets.top + insetTop, insets.left + insetLeft, insets.bottom + insetBottom, insets.right + insetRight);
    }

    public Dimension preferredLayoutSize(Container container) {
      return minimumLayoutSize(container);
    }

    public LetterLayout setSpacing(int x, int y) {
      spacingX = x;
      spacingY = y;
      return this;
    }

    public LetterLayout setSpacing(int spacing) {
      return setSpacing(spacing, spacing);
    }

    public LetterLayout setBorder(int top, int left, int bottom, int right) {
      insetTop = top;
      insetLeft = left;
      insetBottom = bottom;
      insetRight = right;
      return this;
    }

    public LetterLayout setBorder(int inset) {
      return setBorder(inset, inset, inset, inset);
    }

    public LetterLayout setTopBorder(int inset) {
      insetTop = inset;
      return this;
    }

    public static LetterLayout stalactite() {
      return new LetterLayout(STALACTITE);
    }

    public static LetterLayout leftAlignedRow() {
      return new LetterLayout(LEFT_ALIGNED_ROW);
    }

    public static LetterLayout leftAlignedRow(int spacing) {
      return leftAlignedRow().setSpacing(spacing);
    }

    public static LetterLayout centeredRow() {
      return new LetterLayout(CENTERED_ROW);
    }

    public static LetterLayout rightAlignedRow() {
      return new LetterLayout(RIGHT_ALIGNED_ROW);
    }

    public static JPanel rightAlignedRowPanel(JComponent... components) {
      return makePanel(new LetterLayout(RIGHT_ALIGNED_ROW), components);
    }

    public static JPanel makePanel(LetterLayout letterLayout, JComponent[] components) {
      JPanel panel = new JPanel(letterLayout);
      for (JComponent component : components) {
        panel.add(component);
      }
      return panel;
    }

    public static LetterLayout form() {
      LetterLayout letterLayout = new LetterLayout(FORM);
      letterLayout.formWideLeftSide = true;
      letterLayout.formWideRightSide = true;
      return letterLayout;
    }

    public static LetterLayout formWideRightSide() {
      LetterLayout letterLayout = new LetterLayout(FORM);
      letterLayout.formWideRightSide = true;
      return letterLayout;
    }

    public static Component getDummyComponent() {
      return new DummyComponent();
    }

    public static JPanel newPanel(String... lines) {
      return new JPanel(new LetterLayout(lines));
    }

    public boolean isDebug() {
      return debug;
    }

    public void setDebug(boolean debug) {
      this.debug = debug;
    }

    public static char makeIndexChar(int idx) {
      return (char) ('a' + idx * 2);
    }

    public static char makeAlternateIndexChar(int idx) {
      return (char) ('b' + idx * 2);
    }

    public static char LEFT_CHAR = ',', RIGHT_CHAR = '.';

    public static void main(String[] args) {
      System.out.println((int) makeIndexChar(0));
      System.out.println((int) makeAlternateIndexChar(0));
      System.out.println((int) makeIndexChar(32000));
      System.out.println((int) makeAlternateIndexChar(32000));
      System.out.println((int) LEFT_CHAR);
      System.out.println((int) RIGHT_CHAR);
    }
  }

  public static void add(BitSet bs, int i) {
    bs.set(i);
  }

  public static <A> boolean add(Collection<A> c, A a) {
    return c != null && c.add(a);
  }

  public static void add(Container c, Component x) {
    addToContainer(c, x);
  }

  public static void addToContainer(final Container a, final Component b) {
    if (a != null && b != null) {
      swing(new Runnable() {

        public void run() {
          try {
            a.add(b);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "a.add(b);";
        }
      });
    }
  }
}